Base | Representation |
---|---|
bin | 1110001100000011001111… |
… | …00111111000111011000000 |
3 | 11002110201122012020001002200 |
4 | 13012001213213320323000 |
5 | 13042141340010320120 |
6 | 150205131312513200 |
7 | 6400103345164254 |
oct | 706014747707300 |
9 | 132421565201080 |
10 | 31200380948160 |
11 | 9a3a009720136 |
12 | 35baa1454b800 |
13 | 145424c927868 |
14 | 79c16c31a264 |
15 | 3918d8162e90 |
hex | 1c60679f8ec0 |
31200380948160 has 168 divisors, whose sum is σ = 107458083082896. Its totient is φ = 8309110118400.
The previous prime is 31200380948129. The next prime is 31200380948179. The reversal of 31200380948160 is 6184908300213.
31200380948160 is a `hidden beast` number, since 3 + 1 + 20 + 0 + 380 + 94 + 8 + 160 = 666.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4975366 + ... + 9335685.
It is an arithmetic number, because the mean of its divisors is an integer number (639631446922).
Almost surely, 231200380948160 is an apocalyptic number.
31200380948160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31200380948160 is an abundant number, since it is smaller than the sum of its proper divisors (76257702134736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31200380948160 is a wasteful number, since it uses less digits than its factorization.
31200380948160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14311831 (or 14311818 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 31200380948160 in words is "thirty-one trillion, two hundred billion, three hundred eighty million, nine hundred forty-eight thousand, one hundred sixty".
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