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100925864980 = 22523417215497
BaseRepresentation
bin101110111111110100…
…1100111110000010100
3100122111200211011020021
41131333221213300110
53123144010134410
6114210435314524
710202015461213
oct1357751476024
9318450734207
10100925864980
1139891024176
1217687a4ba44
139695590c45
144c55dd107a
15295a674eda
hex177fa67c14

100925864980 has 24 divisors (see below), whose sum is σ = 211954350888. Its totient is φ = 40368434688.

The previous prime is 100925864971. The next prime is 100925864993. The reversal of 100925864980 is 89468529001.

It can be written as a sum of positive squares in 4 ways, for example, as 6487658116 + 94438206864 = 80546^2 + 307308^2 .

It is a super-2 number, since 2×1009258649802 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360592 + ... + 576088.

It is an arithmetic number, because the mean of its divisors is an integer number (8831431287).

Almost surely, 2100925864980 is an apocalyptic number.

100925864980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100925864980 is an abundant number, since it is smaller than the sum of its proper divisors (111028485908).

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

100925864980 is a wasteful number, since it uses less digits than its factorization.

100925864980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238923 (or 238921 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 100925864980 in words is "one hundred billion, nine hundred twenty-five million, eight hundred sixty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 23417 46834 93668 117085 215497 234170 430994 468340 861988 1077485 2154970 4309940 5046293249 10092586498 20185172996 25231466245 50462932490 100925864980