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75125616632164 = 22721061361257269
BaseRepresentation
bin10001000101001110001011…
…101100010110000101100100
3100211222221100101120222120201
4101011032023230112011210
534321324230324212124
6423440122024240244
721552434546115400
oct2105161354260544
9324887311528521
1075125616632164
1121a3466008266a
128513a21010084
1332bc4137b3cc7
14147a15648c100
158a42ca32a144
hex44538bb16164

75125616632164 has 36 divisors (see below), whose sum is σ = 153078433075260. Its totient is φ = 32166347142720.

The previous prime is 75125616632113. The next prime is 75125616632167. The reversal of 75125616632164 is 46123661652157.

It can be written as a sum of positive squares in 2 ways, for example, as 16988163588900 + 58137453043264 = 4121670^2 + 7624792^2 .

It is not an unprimeable number, because it can be changed into a prime (75125616632167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180420679 + ... + 180836590.

It is an arithmetic number, because the mean of its divisors is an integer number (4252178696535).

Almost surely, 275125616632164 is an apocalyptic number.

It is an amenable number.

75125616632164 is an abundant number, since it is smaller than the sum of its proper divisors (77952816443096).

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

75125616632164 is a wasteful number, since it uses less digits than its factorization.

75125616632164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361258348 (or 361258339 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 55.

The spelling of 75125616632164 in words is "seventy-five trillion, one hundred twenty-five billion, six hundred sixteen million, six hundred thirty-two thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 49 98 196 1061 2122 4244 7427 14854 29708 51989 103978 207956 361257269 722514538 1445029076 2528800883 5057601766 10115203532 17701606181 35403212362 70806424724 383293962409 766587924818 1533175849636 2683057736863 5366115473726 10732230947452 18781404158041 37562808316082 75125616632164