Base | Representation |
---|---|
bin | 10010101111111010… |
… | …000100000100011010 |
3 | 1220221222012222202111 |
4 | 102233322010010122 |
5 | 312212030244002 |
6 | 13125331222534 |
7 | 1311603360253 |
oct | 225772040432 |
9 | 56858188674 |
10 | 20131103002 |
11 | 85a053470a |
12 | 3a99a47a4a |
13 | 1b8a8bb48a |
14 | d8d891b2a |
15 | 7cc5163d7 |
hex | 4afe8411a |
20131103002 has 64 divisors (see below), whose sum is σ = 31840604928. Its totient is φ = 9539712000.
The previous prime is 20131102987. The next prime is 20131103021. The reversal of 20131103002 is 20030113102.
It is a super-2 number, since 2×201311030022 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128223508 + ... + 128223664.
It is an arithmetic number, because the mean of its divisors is an integer number (497509452).
Almost surely, 220131103002 is an apocalyptic number.
20131103002 is a deficient number, since it is larger than the sum of its proper divisors (11709501926).
20131103002 is a wasteful number, since it uses less digits than its factorization.
20131103002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20131103002 its reverse (20030113102), we get a palindrome (40161216104).
The spelling of 20131103002 in words is "twenty billion, one hundred thirty-one million, one hundred three thousand, two".
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