Base | Representation |
---|---|
bin | 1111100010101… |
… | …01010010100000 |
3 | 100002022121211001 |
4 | 13301111102200 |
5 | 231333412033 |
6 | 20534201344 |
7 | 3142102351 |
oct | 761252240 |
9 | 302277731 |
10 | 130372768 |
11 | 67656a99 |
12 | 377b3254 |
13 | 21019366 |
14 | 13459d28 |
15 | b6a3e7d |
hex | 7c554a0 |
130372768 has 12 divisors (see below), whose sum is σ = 256671450. Its totient is φ = 65186368.
The previous prime is 130372757. The next prime is 130372771. The reversal of 130372768 is 867273031.
It can be written as a sum of positive squares in only one way, i.e., 72795024 + 57577744 = 8532^2 + 7588^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2037043 + ... + 2037106.
Almost surely, 2130372768 is an apocalyptic number.
It is an amenable number.
130372768 is a deficient number, since it is larger than the sum of its proper divisors (126298682).
130372768 is an equidigital number, since it uses as much as digits as its factorization.
130372768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4074159 (or 4074151 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 37.
The square root of 130372768 is about 11418.0895074439. The cubic root of 130372768 is about 507.0634365159.
The spelling of 130372768 in words is "one hundred thirty million, three hundred seventy-two thousand, seven hundred sixty-eight".
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