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10172058212 = 222987690157
BaseRepresentation
bin10010111100100110…
…10100101001100100
3222020220112002121202
421132103110221210
5131313021330322
64401210302032
7510034032251
oct113623245144
928226462552
1010172058212
11434a952988
121b7a727918
13c61540574
146c6d50428
153e8048292
hex25e4d4a64

10172058212 has 12 divisors (see below), whose sum is σ = 18414933180. Its totient is φ = 4910648736.

The previous prime is 10172058191. The next prime is 10172058257. The reversal of 10172058212 is 21285027101.

It can be written as a sum of positive squares in 2 ways, for example, as 4313074276 + 5858983936 = 65674^2 + 76544^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43844963 + ... + 43845194.

It is an arithmetic number, because the mean of its divisors is an integer number (1534577765).

Almost surely, 210172058212 is an apocalyptic number.

It is an amenable number.

10172058212 is a deficient number, since it is larger than the sum of its proper divisors (8242874968).

10172058212 is a wasteful number, since it uses less digits than its factorization.

10172058212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87690190 (or 87690188 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 10172058212 in words is "ten billion, one hundred seventy-two million, fifty-eight thousand, two hundred twelve".

Divisors: 1 2 4 29 58 116 87690157 175380314 350760628 2543014553 5086029106 10172058212