Base | Representation |
---|---|
bin | 11101000111101111… |
… | …110011110100110100 |
3 | 2222201011011200122211 |
4 | 131013233303310310 |
5 | 1003014213031302 |
6 | 22210424103204 |
7 | 2154601515040 |
oct | 350757636464 |
9 | 88634150584 |
10 | 31268486452 |
11 | 12296277745 |
12 | 6087904b04 |
13 | 2c441181b8 |
14 | 1728ac5020 |
15 | c30191ad7 |
hex | 747bf3d34 |
31268486452 has 24 divisors (see below), whose sum is σ = 62652598400. Its totient is φ = 13376003040.
The previous prime is 31268486441. The next prime is 31268486471. The reversal of 31268486452 is 25468486213.
It is a junction number, because it is equal to n+sod(n) for n = 31268486396 and 31268486405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016952 + ... + 1047247.
Almost surely, 231268486452 is an apocalyptic number.
It is an amenable number.
31268486452 is an abundant number, since it is smaller than the sum of its proper divisors (31384111948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31268486452 is a wasteful number, since it uses less digits than its factorization.
31268486452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2064751 (or 2064749 counting only the distinct ones).
The product of its digits is 2211840, while the sum is 49.
The spelling of 31268486452 in words is "thirty-one billion, two hundred sixty-eight million, four hundred eighty-six thousand, four hundred fifty-two".
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