Base | Representation |
---|---|
bin | 11101010100100100… |
… | …010011100000100001 |
3 | 10000021010220021201121 |
4 | 131110210103200201 |
5 | 1003434243334210 |
6 | 22244030132241 |
7 | 2163122652241 |
oct | 352444234041 |
9 | 100233807647 |
10 | 31483574305 |
11 | 123967253a7 |
12 | 6127951081 |
13 | 2c79855b11 |
14 | 17494b3b21 |
15 | c43ecb6da |
hex | 754913821 |
31483574305 has 4 divisors (see below), whose sum is σ = 37780289172. Its totient is φ = 25186859440.
The previous prime is 31483574293. The next prime is 31483574347. The reversal of 31483574305 is 50347538413.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 23864379361 + 7619194944 = 154481^2 + 87288^2 .
It is a de Polignac number, because none of the positive numbers 2k-31483574305 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3148357426 + ... + 3148357435.
It is an arithmetic number, because the mean of its divisors is an integer number (9445072293).
Almost surely, 231483574305 is an apocalyptic number.
It is an amenable number.
31483574305 is a deficient number, since it is larger than the sum of its proper divisors (6296714867).
31483574305 is an equidigital number, since it uses as much as digits as its factorization.
31483574305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6296714866.
The product of its (nonzero) digits is 604800, while the sum is 43.
The spelling of 31483574305 in words is "thirty-one billion, four hundred eighty-three million, five hundred seventy-four thousand, three hundred five".
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