Base | Representation |
---|---|
bin | 11101101001111111… |
… | …101100100100111100 |
3 | 10001012012100212220110 |
4 | 131221333230210330 |
5 | 1010203311421122 |
6 | 22343431350020 |
7 | 2205046453320 |
oct | 355177544474 |
9 | 101165325813 |
10 | 31843076412 |
11 | 1256064a684 |
12 | 6208222310 |
13 | 3006188064 |
14 | 1781135980 |
15 | c6584090c |
hex | 769fec93c |
31843076412 has 48 divisors (see below), whose sum is σ = 85279364352. Its totient is φ = 9058968960.
The previous prime is 31843076407. The next prime is 31843076491. The reversal of 31843076412 is 21467034813.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793914 + ... + 833057.
It is an arithmetic number, because the mean of its divisors is an integer number (1776653424).
Almost surely, 231843076412 is an apocalyptic number.
It is an amenable number.
31843076412 is an abundant number, since it is smaller than the sum of its proper divisors (53436287940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31843076412 is a wasteful number, since it uses less digits than its factorization.
31843076412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1627218 (or 1627216 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 39.
The spelling of 31843076412 in words is "thirty-one billion, eight hundred forty-three million, seventy-six thousand, four hundred twelve".
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