Base | Representation |
---|---|
bin | 11101001010001110… |
… | …001110011111011000 |
3 | 2222211001022112022212 |
4 | 131022032032133120 |
5 | 1003110330430144 |
6 | 22214510134252 |
7 | 2155614505613 |
oct | 351216163730 |
9 | 88731275285 |
10 | 31310014424 |
11 | 12307761287 |
12 | 60997b1388 |
13 | 2c4c8c8370 |
14 | 173041517a |
15 | c33b4649e |
hex | 74a38e7d8 |
31310014424 has 32 divisors (see below), whose sum is σ = 66549630000. Its totient is φ = 13690207872.
The previous prime is 31310014409. The next prime is 31310014447. The reversal of 31310014424 is 42441001313.
It is a self number, because there is not a number n which added to its sum of digits gives 31310014424.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7920599 + ... + 7924550.
Almost surely, 231310014424 is an apocalyptic number.
It is an amenable number.
31310014424 is an abundant number, since it is smaller than the sum of its proper divisors (35239615576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31310014424 is a wasteful number, since it uses less digits than its factorization.
31310014424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15845187 (or 15845183 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 31310014424 its reverse (42441001313), we get a palindrome (73751015737).
The spelling of 31310014424 in words is "thirty-one billion, three hundred ten million, fourteen thousand, four hundred twenty-four".
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