Base | Representation |
---|---|
bin | 11100111000111100… |
… | …010011001100001100 |
3 | 2222001211210110210221 |
4 | 130320330103030030 |
5 | 1002012121234122 |
6 | 22130032241124 |
7 | 2145464343235 |
oct | 347074231414 |
9 | 88054713727 |
10 | 31020102412 |
11 | 12179048082 |
12 | 60186a01a4 |
13 | 2c048201b0 |
14 | 1703b0a08c |
15 | c1847b6c7 |
hex | 738f1330c |
31020102412 has 24 divisors (see below), whose sum is σ = 58520530656. Its totient is φ = 14302382208.
The previous prime is 31020102397. The next prime is 31020102457. The reversal of 31020102412 is 21420102013.
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 7 ways as a sum of consecutive naturals, for example, 252313 + ... + 354544.
It is an arithmetic number, because the mean of its divisors is an integer number (2438355444).
Almost surely, 231020102412 is an apocalyptic number.
It is an amenable number.
31020102412 is a deficient number, since it is larger than the sum of its proper divisors (27500428244).
31020102412 is a wasteful number, since it uses less digits than its factorization.
31020102412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 607857 (or 607855 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 31020102412 its reverse (21420102013), we get a palindrome (52440204425).
The spelling of 31020102412 in words is "thirty-one billion, twenty million, one hundred two thousand, four hundred twelve".
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