Base | Representation |
---|---|
bin | 11101001111110111… |
… | …000010110011101000 |
3 | 10000001122022000002210 |
4 | 131033313002303220 |
5 | 1003304034204202 |
6 | 22232125325120 |
7 | 2161143462123 |
oct | 351767026350 |
9 | 100048260083 |
10 | 31404600552 |
11 | 12356095236 |
12 | 61054067a0 |
13 | 2c663948a0 |
14 | 173cbd73ba |
15 | c3c0cbc6c |
hex | 74fdc2ce8 |
31404600552 has 64 divisors (see below), whose sum is σ = 84980206080. Its totient is φ = 9613884672.
The previous prime is 31404600551. The next prime is 31404600611. The reversal of 31404600552 is 25500640413.
It is not an unprimeable number, because it can be changed into a prime (31404600551) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194008 + ... + 316935.
It is an arithmetic number, because the mean of its divisors is an integer number (1327815720).
Almost surely, 231404600552 is an apocalyptic number.
It is an amenable number.
31404600552 is an abundant number, since it is smaller than the sum of its proper divisors (53575605528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31404600552 is a wasteful number, since it uses less digits than its factorization.
31404600552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 511162 (or 511158 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The spelling of 31404600552 in words is "thirty-one billion, four hundred four million, six hundred thousand, five hundred fifty-two".
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