Base | Representation |
---|---|
bin | 11101100110111000… |
… | …111001111100000000 |
3 | 10001001120022022202220 |
4 | 131212320321330000 |
5 | 1010101441330410 |
6 | 22334330411040 |
7 | 2203544511432 |
oct | 354670717400 |
9 | 101046268686 |
10 | 31790964480 |
11 | 12534197170 |
12 | 61b2890a80 |
13 | 2cc84405b2 |
14 | 177824c652 |
15 | c60e9a070 |
hex | 766e39f00 |
31790964480 has 144 divisors (see below), whose sum is σ = 110762757504. Its totient is φ = 7706890240.
The previous prime is 31790964463. The next prime is 31790964493. The reversal of 31790964480 is 8446909713.
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, 334074 + ... + 418553.
It is an arithmetic number, because the mean of its divisors is an integer number (769185816).
Almost surely, 231790964480 is an apocalyptic number.
31790964480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31790964480 is an abundant number, since it is smaller than the sum of its proper divisors (78971793024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31790964480 is a wasteful number, since it uses less digits than its factorization.
31790964480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 752662 (or 752648 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 51.
The spelling of 31790964480 in words is "thirty-one billion, seven hundred ninety million, nine hundred sixty-four thousand, four hundred eighty".
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