Base | Representation |
---|---|
bin | 1111100110000… |
… | …11010000000000 |
3 | 100010011111122112 |
4 | 13303003100000 |
5 | 231442320133 |
6 | 20551554452 |
7 | 3145656440 |
oct | 763032000 |
9 | 303144575 |
10 | 130823168 |
11 | 67934423 |
12 | 3798ba28 |
13 | 21146378 |
14 | 13536120 |
15 | b742648 |
hex | 7cc3400 |
130823168 has 44 divisors (see below), whose sum is σ = 298894752. Its totient is φ = 56064000.
The previous prime is 130823159. The next prime is 130823171. The reversal of 130823168 is 861328031.
It is a happy number.
It is a super-2 number, since 2×1308231682 = 34229402571112448, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958 + ... + 16293.
Almost surely, 2130823168 is an apocalyptic number.
It is an amenable number.
130823168 is an abundant number, since it is smaller than the sum of its proper divisors (168071584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130823168 is an equidigital number, since it uses as much as digits as its factorization.
130823168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18278 (or 18260 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 32.
The square root of 130823168 is about 11437.7955918088. The cubic root of 130823168 is about 507.6466842852.
The spelling of 130823168 in words is "one hundred thirty million, eight hundred twenty-three thousand, one hundred sixty-eight".
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