Base | Representation |
---|---|
bin | 11101010100000010… |
… | …001110011000101110 |
3 | 10000020112002101202100 |
4 | 131110002032120232 |
5 | 1003430001443210 |
6 | 22243110435530 |
7 | 2162654013042 |
oct | 352402163056 |
9 | 100215071670 |
10 | 31474640430 |
11 | 12391683232 |
12 | 6124962ba6 |
13 | 2c77a485bc |
14 | 174822a022 |
15 | c433145c0 |
hex | 75408e62e |
31474640430 has 48 divisors (see below), whose sum is σ = 82869958080. Its totient is φ = 8286992064.
The previous prime is 31474640419. The next prime is 31474640459. The reversal of 31474640430 is 3404647413.
31474640430 is a `hidden beast` number, since 3 + 1 + 4 + 7 + 4 + 640 + 4 + 3 + 0 = 666.
It is a congruent number.
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, 2206297 + ... + 2220516.
It is an arithmetic number, because the mean of its divisors is an integer number (1726457460).
Almost surely, 231474640430 is an apocalyptic number.
31474640430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31474640430 is an abundant number, since it is smaller than the sum of its proper divisors (51395317650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31474640430 is a wasteful number, since it uses less digits than its factorization.
31474640430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4426905 (or 4426902 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 36.
The spelling of 31474640430 in words is "thirty-one billion, four hundred seventy-four million, six hundred forty thousand, four hundred thirty".
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