Base | Representation |
---|---|
bin | 11101010111111100… |
… | …001010100110011111 |
3 | 10000102002101011222102 |
4 | 131113330022212133 |
5 | 1004043240122202 |
6 | 22253411035315 |
7 | 2164410641642 |
oct | 352774124637 |
9 | 100362334872 |
10 | 31540160927 |
11 | 12415664800 |
12 | 614289bb3b |
13 | 2c884a9222 |
14 | 1752c03a59 |
15 | c48e57d02 |
hex | 757f0a99f |
31540160927 has 12 divisors (see below), whose sum is σ = 35143026240. Its totient is φ = 28280086560.
The previous prime is 31540160923. The next prime is 31540160933. The reversal of 31540160927 is 72906104513.
It is not a de Polignac number, because 31540160927 - 22 = 31540160923 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31540160923) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1776527 + ... + 1794192.
It is an arithmetic number, because the mean of its divisors is an integer number (2928585520).
Almost surely, 231540160927 is an apocalyptic number.
31540160927 is a deficient number, since it is larger than the sum of its proper divisors (3602865313).
31540160927 is a wasteful number, since it uses less digits than its factorization.
31540160927 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3570814 (or 3570803 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 38.
The spelling of 31540160927 in words is "thirty-one billion, five hundred forty million, one hundred sixty thousand, nine hundred twenty-seven".
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