Base | Representation |
---|---|
bin | 10110100110001001… |
… | …10110110110001011 |
3 | 1011022102222211110100 |
4 | 23103010312312023 |
5 | 144321041403040 |
6 | 5323433420443 |
7 | 606423334116 |
oct | 132304666613 |
9 | 34272884410 |
10 | 12131200395 |
11 | 5165823456 |
12 | 242686a723 |
13 | 11b43b07b2 |
14 | 83121157d |
15 | 4b0039b30 |
hex | 2d3136d8b |
12131200395 has 96 divisors (see below), whose sum is σ = 22684147200. Its totient is φ = 5983488000.
The previous prime is 12131200387. The next prime is 12131200423. The reversal of 12131200395 is 59300213121.
It is not a de Polignac number, because 12131200395 - 23 = 12131200387 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4084471 + ... + 4087439.
It is an arithmetic number, because the mean of its divisors is an integer number (236293200).
Almost surely, 212131200395 is an apocalyptic number.
12131200395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12131200395 is a deficient number, since it is larger than the sum of its proper divisors (10552946805).
12131200395 is a wasteful number, since it uses less digits than its factorization.
12131200395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3141 (or 3138 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The spelling of 12131200395 in words is "twelve billion, one hundred thirty-one million, two hundred thousand, three hundred ninety-five".
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