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10168887753 = 326301179317
BaseRepresentation
bin10010111100001110…
…01110100111001001
3222020200120000120100
421132013032213021
5131311213402003
64401014320013
7506665056033
oct113607164711
928220500510
1010168887753
114349087972
121b79659009
13c609a045b
146c6766c53
153e7b1dba3
hex25e1ce9c9

10168887753 has 12 divisors (see below), whose sum is σ = 14690806468. Its totient is φ = 6778144800.

The previous prime is 10168887731. The next prime is 10168887763. The reversal of 10168887753 is 35778886101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7431819264 + 2737068489 = 86208^2 + 52317^2 .

It is not a de Polignac number, because 10168887753 - 25 = 10168887721 is a prime.

It is a super-2 number, since 2×101688877532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10168887753.

It is not an unprimeable number, because it can be changed into a prime (10168887763) 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, 32950 + ... + 146367.

Almost surely, 210168887753 is an apocalyptic number.

It is an amenable number.

10168887753 is a deficient number, since it is larger than the sum of its proper divisors (4521918715).

10168887753 is a wasteful number, since it uses less digits than its factorization.

10168887753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185624 (or 185621 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 10168887753 in words is "ten billion, one hundred sixty-eight million, eight hundred eighty-seven thousand, seven hundred fifty-three".

Divisors: 1 3 9 6301 18903 56709 179317 537951 1613853 1129876417 3389629251 10168887753