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10109100920 = 235252727523
BaseRepresentation
bin10010110101000110…
…01010001101111000
3222002112001112110012
421122203022031320
5131200412212140
64351041041052
7505340640302
oct113243121570
928075045405
1010109100920
114318362166
121b61626188
13c51499529
146bc842972
153e275e265
hex25a8ca378

10109100920 has 16 divisors (see below), whose sum is σ = 22745477160. Its totient is φ = 4043640352.

The previous prime is 10109100889. The next prime is 10109100929. The reversal of 10109100920 is 2900190101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109100929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126363722 + ... + 126363801.

Almost surely, 210109100920 is an apocalyptic number.

10109100920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10109100920 is an abundant number, since it is smaller than the sum of its proper divisors (12636376240).

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

10109100920 is a wasteful number, since it uses less digits than its factorization.

10109100920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252727534 (or 252727530 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 10109100920 in words is "ten billion, one hundred nine million, one hundred thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 252727523 505455046 1010910092 1263637615 2021820184 2527275230 5054550460 10109100920