Base | Representation |
---|---|
bin | 11101001011010010… |
… | …100010101101100101 |
3 | 2222212022000101100010 |
4 | 131023102202231211 |
5 | 1003124422014140 |
6 | 22220350040433 |
7 | 2156222644416 |
oct | 351322425545 |
9 | 88768011303 |
10 | 31327923045 |
11 | 123168832a1 |
12 | 60a37a9119 |
13 | 2c53528893 |
14 | 173295780d |
15 | c354d2880 |
hex | 74b4a2b65 |
31327923045 has 16 divisors (see below), whose sum is σ = 52762818240. Its totient is φ = 15828845184.
The previous prime is 31327923037. The next prime is 31327923071. The reversal of 31327923045 is 54032972313.
It is not a de Polignac number, because 31327923045 - 23 = 31327923037 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31327922994 and 31327923012.
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, 54960984 + ... + 54961553.
It is an arithmetic number, because the mean of its divisors is an integer number (3297676140).
Almost surely, 231327923045 is an apocalyptic number.
It is an amenable number.
31327923045 is a deficient number, since it is larger than the sum of its proper divisors (21434895195).
31327923045 is a wasteful number, since it uses less digits than its factorization.
31327923045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109922564.
The product of its (nonzero) digits is 136080, while the sum is 39.
The spelling of 31327923045 in words is "thirty-one billion, three hundred twenty-seven million, nine hundred twenty-three thousand, forty-five".
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