Base | Representation |
---|---|
bin | 1111100010110… |
… | …10011010101000 |
3 | 100002100200121211 |
4 | 13301122122220 |
5 | 231340100033 |
6 | 20534442504 |
7 | 3142220521 |
oct | 761323250 |
9 | 302320554 |
10 | 130393768 |
11 | 6767084a |
12 | 37803434 |
13 | 21025a9b |
14 | 13463848 |
15 | b6aa2cd |
hex | 7c5a6a8 |
130393768 has 16 divisors (see below), whose sum is σ = 247838580. Its totient is φ = 64303488.
The previous prime is 130393691. The next prime is 130393793. The reversal of 130393768 is 867393031.
It can be written as a sum of positive squares in 2 ways, for example, as 127644804 + 2748964 = 11298^2 + 1658^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 130393768.
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, 111055 + ... + 112222.
Almost surely, 2130393768 is an apocalyptic number.
It is an amenable number.
130393768 is a deficient number, since it is larger than the sum of its proper divisors (117444812).
130393768 is a wasteful number, since it uses less digits than its factorization.
130393768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223356 (or 223352 counting only the distinct ones).
The product of its (nonzero) digits is 81648, while the sum is 40.
The square root of 130393768 is about 11419.0090638374. The cubic root of 130393768 is about 507.0906604029.
It can be divided in two parts, 13039 and 3768, that added together give a 5-th power (16807 = 75).
The spelling of 130393768 in words is "one hundred thirty million, three hundred ninety-three thousand, seven hundred sixty-eight".
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