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20101092910 = 2517592004097
BaseRepresentation
bin10010101110000111…
…100101011000101110
31220212212202022122121
4102232013211120232
5312131334433120
613122340103154
71311060320263
oct225607453056
956785668577
1020101092910
1185855a7688
123a8b994aba
131b84611a22
14d898bd26a
157c9a895aa
hex4ae1e562e

20101092910 has 32 divisors (see below), whose sum is σ = 38959665120. Its totient is φ = 7439204352.

The previous prime is 20101092899. The next prime is 20101092917. The reversal of 20101092910 is 1929010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101092917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 992019 + ... + 1012078.

It is an arithmetic number, because the mean of its divisors is an integer number (1217489535).

Almost surely, 220101092910 is an apocalyptic number.

20101092910 is a deficient number, since it is larger than the sum of its proper divisors (18858572210).

20101092910 is a wasteful number, since it uses less digits than its factorization.

20101092910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004180.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 20101092910 in words is "twenty billion, one hundred one million, ninety-two thousand, nine hundred ten".

Divisors: 1 2 5 10 17 34 59 85 118 170 295 590 1003 2006 5015 10030 2004097 4008194 10020485 20040970 34069649 68139298 118241723 170348245 236483446 340696490 591208615 1182417230 2010109291 4020218582 10050546455 20101092910