Base | Representation |
---|---|
bin | 110110111001000101… |
… | …0010101110101000000 |
3 | 102021021012221111222000 |
4 | 1231302022111311000 |
5 | 3412404113233324 |
6 | 130053021144000 |
7 | 11342106424635 |
oct | 1556212256500 |
9 | 367235844860 |
10 | 117879430464 |
11 | 45aa0957914 |
12 | 1aa196bb000 |
13 | b167a76ab3 |
14 | 59c386418c |
15 | 30edc289c9 |
hex | 1b72295d40 |
117879430464 has 56 divisors (see below), whose sum is σ = 346543701120. Its totient is φ = 39293142912.
The previous prime is 117879430457. The next prime is 117879430519. The reversal of 117879430464 is 464034978711.
It is a happy number.
117879430464 is a `hidden beast` number, since 1 + 1 + 78 + 79 + 43 + 0 + 464 = 666.
It is a super-2 number, since 2×1178794304642 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 117879430464.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34106904 + ... + 34110359.
Almost surely, 2117879430464 is an apocalyptic number.
It is an amenable number.
117879430464 is an abundant number, since it is smaller than the sum of its proper divisors (228664270656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
117879430464 is an equidigital number, since it uses as much as digits as its factorization.
117879430464 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68217284 (or 68217268 counting only the distinct ones).
The product of its (nonzero) digits is 4064256, while the sum is 54.
The spelling of 117879430464 in words is "one hundred seventeen billion, eight hundred seventy-nine million, four hundred thirty thousand, four hundred sixty-four".
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