Base | Representation |
---|---|
bin | 11100111001110100… |
… | …101000111011100010 |
3 | 2222002212120211020000 |
4 | 130321310220323202 |
5 | 1002024411342042 |
6 | 22131321000430 |
7 | 2146034024664 |
oct | 347164507342 |
9 | 88085524200 |
10 | 31034871522 |
11 | 12186415356 |
12 | 6021623116 |
13 | 2c078c1705 |
14 | 1705a72534 |
15 | c198e774c |
hex | 739d28ee2 |
31034871522 has 30 divisors (see below), whose sum is σ = 69546125649. Its totient is φ = 10344209760.
The previous prime is 31034871521. The next prime is 31034871563. The reversal of 31034871522 is 22517843013.
31034871522 is a `hidden beast` number, since 31 + 0 + 34 + 8 + 71 + 522 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 29956340241 + 1078531281 = 173079^2 + 32841^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=124569.
It is not an unprimeable number, because it can be changed into a prime (31034871521) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2235322 + ... + 2249162.
Almost surely, 231034871522 is an apocalyptic number.
31034871522 is an abundant number, since it is smaller than the sum of its proper divisors (38511254127).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31034871522 is an frugal number, since it uses more digits than its factorization.
31034871522 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27696 (or 13846 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The spelling of 31034871522 in words is "thirty-one billion, thirty-four million, eight hundred seventy-one thousand, five hundred twenty-two".
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