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72125084873968 = 2473199383172433
BaseRepresentation
bin10000011001100011101110…
…000100000011010011110000
3100110101002110011201121000121
4100121203232010003103300
533423144133211431333
6413221450115300024
721122602561024000
oct2031435604032360
9313332404647017
1072125084873968
1120a88093129105
12810a3a8baa614
13313249ba5c9a9
1413b4c30ad4000
1585121409832d
hex4198ee1034f0

72125084873968 has 160 divisors (see below), whose sum is σ = 164212346880000. Its totient is φ = 30674941000704.

The previous prime is 72125084873903. The next prime is 72125084873969. The reversal of 72125084873968 is 86937848052127.

It is a junction number, because it is equal to n+sod(n) for n = 72125084873897 and 72125084873906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72125084873969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418192680 + ... + 418365112.

It is an arithmetic number, because the mean of its divisors is an integer number (1026327168000).

It is a 1-persistent number, because it is pandigital, but 2⋅72125084873968 = 144250169747936 is not.

Almost surely, 272125084873968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72125084873968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82106173440000).

72125084873968 is an abundant number, since it is smaller than the sum of its proper divisors (92087262006032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72125084873968 is a wasteful number, since it uses less digits than its factorization.

72125084873968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173044 (or 173024 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 70.

The spelling of 72125084873968 in words is "seventy-two trillion, one hundred twenty-five billion, eighty-four million, eight hundred seventy-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 199 343 383 392 398 686 766 784 796 1372 1393 1532 1592 2681 2744 2786 3064 3184 5362 5488 5572 6128 9751 10724 11144 18767 19502 21448 22288 37534 39004 42896 68257 75068 76217 78008 131369 136514 150136 152434 156016 172433 262738 273028 300272 304868 344866 525476 533519 546056 609736 689732 1050952 1067038 1092112 1207031 1219472 1379464 2101904 2134076 2414062 2758928 3734633 4268152 4828124 7469266 8449217 8536304 9656248 14938532 16898434 19312496 26142431 29877064 33796868 34314167 52284862 59144519 59754128 66041839 67593736 68628334 104569724 118289038 132083678 135187472 137256668 209139448 236578076 240199169 264167356 274513336 418278896 462292873 473156152 480398338 528334712 549026672 924585746 946312304 960796676 1056669424 1681394183 1849171492 1921593352 3236050111 3362788366 3698342984 3843186704 6472100222 6725576732 7396685968 11769759281 12944200444 13142325961 13451153464 22652350777 23539518562 25888400888 26284651922 26902306928 45304701554 47079037124 51776801776 52569303844 90609403108 91996281727 94158074248 105138607688 181218806216 183992563454 188316148496 210277215376 362437612432 367985126908 643973972089 735970253816 1287947944178 1471940507632 2575895888356 4507817804623 5151791776712 9015635609246 10303583553424 18031271218492 36062542436984 72125084873968