Base | Representation |
---|---|
bin | 1111100101111… |
… | …11100100101000 |
3 | 100010010201222121 |
4 | 13302333210220 |
5 | 231441324404 |
6 | 20551401024 |
7 | 3145564510 |
oct | 762774450 |
9 | 303121877 |
10 | 130808104 |
11 | 67924079 |
12 | 37983174 |
13 | 2113c55b |
14 | 13530840 |
15 | b73ce54 |
hex | 7cbf928 |
130808104 has 32 divisors (see below), whose sum is σ = 280670400. Its totient is φ = 55987200.
The previous prime is 130808099. The next prime is 130808113. The reversal of 130808104 is 401808031.
It is a super-2 number, since 2×1308081042 = 34221520144149632, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80904 + ... + 82504.
It is an arithmetic number, because the mean of its divisors is an integer number (8770950).
Almost surely, 2130808104 is an apocalyptic number.
130808104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
130808104 is an abundant number, since it is smaller than the sum of its proper divisors (149862296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130808104 is a wasteful number, since it uses less digits than its factorization.
130808104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3073 (or 3069 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 130808104 is about 11437.1370543506. The cubic root of 130808104 is about 507.6271987377.
The spelling of 130808104 in words is "one hundred thirty million, eight hundred eight thousand, one hundred four".
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