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10102202120 = 2351280919717
BaseRepresentation
bin10010110100010001…
…10101111100001000
3222002001002001002002
421122020311330020
5131142130431440
64350233130132
7505225205213
oct113210657410
928061061062
1010102202120
11431447aa7a
121b5b259948
13c4cc223ba
146bb96877a
153e1d4a115
hex25a235f08

10102202120 has 32 divisors (see below), whose sum is σ = 22732882200. Its totient is φ = 4040360448.

The previous prime is 10102202101. The next prime is 10102202161. The reversal of 10102202120 is 2120220101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4653695524 + 5448506596 = 68218^2 + 73814^2 .

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, 502502 + ... + 522218.

Almost surely, 210102202120 is an apocalyptic number.

10102202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102202120 is an abundant number, since it is smaller than the sum of its proper divisors (12630680080).

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

10102202120 is a wasteful number, since it uses less digits than its factorization.

10102202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32537 (or 32533 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10102202120 its reverse (2120220101), we get a palindrome (12222422221).

The spelling of 10102202120 in words is "ten billion, one hundred two million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 12809 19717 25618 39434 51236 64045 78868 98585 102472 128090 157736 197170 256180 394340 512360 788680 252555053 505110106 1010220212 1262775265 2020440424 2525550530 5051101060 10102202120