Base | Representation |
---|---|
bin | 10110100110001000… |
… | …00101111100100110 |
3 | 1011022102121122201002 |
4 | 23103010011330212 |
5 | 144321014000402 |
6 | 5323425233302 |
7 | 606421541144 |
oct | 132304057446 |
9 | 34272548632 |
10 | 12131000102 |
11 | 51656a6a21 |
12 | 2426792832 |
13 | 11b4340590 |
14 | 83119c594 |
15 | 4aeeea602 |
hex | 2d3105f26 |
12131000102 has 16 divisors (see below), whose sum is σ = 19739274912. Its totient is φ = 5558053440.
The previous prime is 12131000093. The next prime is 12131000117. The reversal of 12131000102 is 20100013121.
It is a super-2 number, since 2×121310001022 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699274 + ... + 1706397.
It is an arithmetic number, because the mean of its divisors is an integer number (1233704682).
Almost surely, 212131000102 is an apocalyptic number.
12131000102 is a deficient number, since it is larger than the sum of its proper divisors (7608274810).
12131000102 is a wasteful number, since it uses less digits than its factorization.
12131000102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3405823.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 12131000102 its reverse (20100013121), we get a palindrome (32231013223).
The spelling of 12131000102 in words is "twelve billion, one hundred thirty-one million, one hundred two", and thus it is an aban number.
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