Base | Representation |
---|---|
bin | 11100111010011001… |
… | …000101011100100000 |
3 | 2222010112120012211012 |
4 | 130322121011130200 |
5 | 1002034333104004 |
6 | 22132301440052 |
7 | 2146211156111 |
oct | 347231053440 |
9 | 88115505735 |
10 | 31044425504 |
11 | 12190850404 |
12 | 6024870028 |
13 | 2c09888261 |
14 | 170703c208 |
15 | c1a68346e |
hex | 73a645720 |
31044425504 has 12 divisors (see below), whose sum is σ = 61118712774. Its totient is φ = 15522212736.
The previous prime is 31044425497. The next prime is 31044425537. The reversal of 31044425504 is 40552444013.
It can be written as a sum of positive squares in only one way, i.e., 20693397904 + 10351027600 = 143852^2 + 101740^2 .
It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 970138297 = 31044425504 / (3 + 1 + 0 + 4 + 4 + 4 + 2 + 5 + 5 + 0 + 4).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485069117 + ... + 485069180.
Almost surely, 231044425504 is an apocalyptic number.
It is an amenable number.
31044425504 is a deficient number, since it is larger than the sum of its proper divisors (30074287270).
31044425504 is an equidigital number, since it uses as much as digits as its factorization.
31044425504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 970138307 (or 970138299 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 32.
Adding to 31044425504 its reverse (40552444013), we get a palindrome (71596869517).
The spelling of 31044425504 in words is "thirty-one billion, forty-four million, four hundred twenty-five thousand, five hundred four".
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