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20110102232 = 2311220774899
BaseRepresentation
bin10010101110101001…
…111100111011011000
31220220111201001010012
4102232221330323120
5312141141232412
613123301141052
71311230022443
oct225651747330
956814631105
1020110102232
11858a6a0500
123a929ba788
131b8644769c
14d8ab8665a
157ca768c22
hex4aea7ced8

20110102232 has 24 divisors (see below), whose sum is σ = 41445925500. Its totient is φ = 9140955120.

The previous prime is 20110102157. The next prime is 20110102241. The reversal of 20110102232 is 23220101102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10386482 + ... + 10388417.

Almost surely, 220110102232 is an apocalyptic number.

20110102232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20110102232 is an abundant number, since it is smaller than the sum of its proper divisors (21335823268).

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

20110102232 is a wasteful number, since it uses less digits than its factorization.

20110102232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20774927 (or 20774912 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20110102232 its reverse (23220101102), we get a palindrome (43330203334).

The spelling of 20110102232 in words is "twenty billion, one hundred ten million, one hundred two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 20774899 41549798 83099596 166199192 228523889 457047778 914095556 1828191112 2513762779 5027525558 10055051116 20110102232