Base | Representation |
---|---|
bin | 1111100001101… |
… | …00110100010000 |
3 | 100002001212100211 |
4 | 13300310310100 |
5 | 231320133020 |
6 | 20531253504 |
7 | 3141006520 |
oct | 760646420 |
9 | 302055324 |
10 | 130239760 |
11 | 67576072 |
12 | 3774a294 |
13 | 20ca0961 |
14 | 13423680 |
15 | b67985a |
hex | 7c34d10 |
130239760 has 40 divisors (see below), whose sum is σ = 346067136. Its totient is φ = 44653440.
The previous prime is 130239757. The next prime is 130239779. The reversal of 130239760 is 67932031.
It is a tau number, because it is divible by the number of its divisors (40).
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, 115726 + ... + 116845.
Almost surely, 2130239760 is an apocalyptic number.
130239760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130239760 is an abundant number, since it is smaller than the sum of its proper divisors (215827376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130239760 is a wasteful number, since it uses less digits than its factorization.
130239760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232591 (or 232585 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 31.
The square root of 130239760 is about 11412.2635791503. The cubic root of 130239760 is about 506.8909402623.
The spelling of 130239760 in words is "one hundred thirty million, two hundred thirty-nine thousand, seven hundred sixty".
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