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125226758880 = 25325205342359
BaseRepresentation
bin111010010100000011…
…0001011001011100000
3102222020021020110202200
41310220012023023200
54022431022241010
6133310044013200
712022143613326
oct1645006131340
9388207213680
10125226758880
1149121271463
122032a231200
13ba6900bbc2
1460bd593d16
1533cdc9ecc0
hex1d2818b2e0

125226758880 has 144 divisors (see below), whose sum is σ = 427554560160. Its totient is φ = 33376748544.

The previous prime is 125226758879. The next prime is 125226758941. The reversal of 125226758880 is 88857622521.

125226758880 is a `hidden beast` number, since 1 + 2 + 52 + 2 + 6 + 7 + 588 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1252267588802 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2935141 + ... + 2977499.

It is an arithmetic number, because the mean of its divisors is an integer number (2969128890).

Almost surely, 2125226758880 is an apocalyptic number.

125226758880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125226758880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213777280080).

125226758880 is an abundant number, since it is smaller than the sum of its proper divisors (302327801280).

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

125226758880 is a wasteful number, since it uses less digits than its factorization.

125226758880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44433 (or 44422 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 125226758880 in words is "one hundred twenty-five billion, two hundred twenty-six million, seven hundred fifty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 2053 4106 6159 8212 10265 12318 16424 18477 20530 24636 30795 32848 36954 41060 42359 49272 61590 65696 73908 82120 84718 92385 98544 123180 127077 147816 164240 169436 184770 197088 211795 246360 254154 295632 328480 338872 369540 381231 423590 492720 508308 591264 635385 677744 739080 762462 847180 985440 1016616 1270770 1355488 1478160 1524924 1694360 1906155 2033232 2541540 2956320 3049848 3388720 3812310 4066464 5083080 6099696 6777440 7624620 10166160 12199392 15249240 20332320 30498480 60996960 86963027 173926054 260889081 347852108 434815135 521778162 695704216 782667243 869630270 1043556324 1304445405 1391408432 1565334486 1739260540 2087112648 2608890810 2782816864 3130668972 3478521080 3913336215 4174225296 5217781620 6261337944 6957042160 7826672430 8348450592 10435563240 12522675888 13914084320 15653344860 20871126480 25045351776 31306689720 41742252960 62613379440 125226758880