Base | Representation |
---|---|
bin | 10010101110000111… |
… | …100101011000101110 |
3 | 1220212212202022122121 |
4 | 102232013211120232 |
5 | 312131334433120 |
6 | 13122340103154 |
7 | 1311060320263 |
oct | 225607453056 |
9 | 56785668577 |
10 | 20101092910 |
11 | 85855a7688 |
12 | 3a8b994aba |
13 | 1b84611a22 |
14 | d898bd26a |
15 | 7c9a895aa |
hex | 4ae1e562e |
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".
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