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125533324020 = 223513739217781
BaseRepresentation
bin111010011101001011…
…1101000001011110100
3110000000122002121002010
41310322113220023310
54024043012332040
6133400314444220
712032555435256
oct1647227501364
9400018077063
10125533324020
114926931a385
12203b4a33670
13bab7697cb0
14610c195cd6
1533eab58e80
hex1d3a5e82f4

125533324020 has 96 divisors (see below), whose sum is σ = 379045215360. Its totient is φ = 30858554880.

The previous prime is 125533324013. The next prime is 125533324039. The reversal of 125533324020 is 20423335521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467530 + ... + 685310.

It is an arithmetic number, because the mean of its divisors is an integer number (3948387660).

Almost surely, 2125533324020 is an apocalyptic number.

125533324020 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 125533324020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189522607680).

125533324020 is an abundant number, since it is smaller than the sum of its proper divisors (253511891340).

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

125533324020 is a wasteful number, since it uses less digits than its factorization.

125533324020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218545 (or 218543 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 125533324020 its reverse (20423335521), we get a palindrome (145956659541).

The spelling of 125533324020 in words is "one hundred twenty-five billion, five hundred thirty-three million, three hundred twenty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 739 780 1478 2217 2956 3695 4434 7390 8868 9607 11085 14780 19214 22170 28821 38428 44340 48035 57642 96070 115284 144105 192140 217781 288210 435562 576420 653343 871124 1088905 1306686 2177810 2613372 2831153 3266715 4355620 5662306 6533430 8493459 11324612 13066860 14155765 16986918 28311530 33973836 42467295 56623060 84934590 160940159 169869180 321880318 482820477 643760636 804700795 965640954 1609401590 1931281908 2092222067 2414102385 3218803180 4184444134 4828204770 6276666201 8368888268 9656409540 10461110335 12553332402 20922220670 25106664804 31383331005 41844441340 62766662010 125533324020