Base | Representation |
---|---|
bin | 11100111010011001… |
… | …000101000110111000 |
3 | 2222010112120010220221 |
4 | 130322121011012320 |
5 | 1002034333032440 |
6 | 22132301425424 |
7 | 2146211152063 |
oct | 347231050670 |
9 | 88115503827 |
10 | 31044424120 |
11 | 1219084a366 |
12 | 602486b274 |
13 | 2c09887738 |
14 | 170703b8da |
15 | c1a682d4a |
hex | 73a6451b8 |
31044424120 has 64 divisors (see below), whose sum is σ = 71076722400. Its totient is φ = 12199933440.
The previous prime is 31044424109. The next prime is 31044424153. The reversal of 31044424120 is 2142444013.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5559730 + ... + 5565310.
Almost surely, 231044424120 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31044424120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35538361200).
31044424120 is an abundant number, since it is smaller than the sum of its proper divisors (40032298280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31044424120 is a wasteful number, since it uses less digits than its factorization.
31044424120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8008 (or 8004 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 31044424120 its reverse (2142444013), we get a palindrome (33186868133).
The spelling of 31044424120 in words is "thirty-one billion, forty-four million, four hundred twenty-four thousand, one hundred twenty".
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