Base | Representation |
---|---|
bin | 11101010100101100… |
… | …010101010001101000 |
3 | 10000021021212012102000 |
4 | 131110230111101220 |
5 | 1003440313204241 |
6 | 22244143211000 |
7 | 2163146565423 |
oct | 352454252150 |
9 | 100237765360 |
10 | 31485678696 |
11 | 1239793246a |
12 | 61285a6a60 |
13 | 2c7a111914 |
14 | 17498a09ba |
15 | c44294eb6 |
hex | 754b15468 |
31485678696 has 128 divisors (see below), whose sum is σ = 96066432000. Its totient is φ = 9510519744.
The previous prime is 31485678683. The next prime is 31485678713. The reversal of 31485678696 is 69687658413.
31485678696 is a `hidden beast` number, since 3 + 1 + 4 + 8 + 567 + 8 + 69 + 6 = 666.
It is a super-3 number, since 3×314856786963 (a number of 32 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72390 + ... + 261173.
It is an arithmetic number, because the mean of its divisors is an integer number (750519000).
Almost surely, 231485678696 is an apocalyptic number.
31485678696 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
31485678696 is an abundant number, since it is smaller than the sum of its proper divisors (64580753304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31485678696 is a wasteful number, since it uses less digits than its factorization.
31485678696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 333620 (or 333610 counting only the distinct ones).
The product of its digits is 52254720, while the sum is 63.
The spelling of 31485678696 in words is "thirty-one billion, four hundred eighty-five million, six hundred seventy-eight thousand, six hundred ninety-six".
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