Base | Representation |
---|---|
bin | 1111100101000… |
… | …00111101101000 |
3 | 100002220101000001 |
4 | 13302200331220 |
5 | 231423321403 |
6 | 20544552344 |
7 | 3144533131 |
oct | 762407550 |
9 | 302811001 |
10 | 130682728 |
11 | 67848960 |
12 | 379226b4 |
13 | 210c7477 |
14 | 134dac88 |
15 | b715c1d |
hex | 7ca0f68 |
130682728 has 16 divisors (see below), whose sum is σ = 267305760. Its totient is φ = 59401200.
The previous prime is 130682707. The next prime is 130682737. The reversal of 130682728 is 827286031.
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, 742428 + ... + 742603.
It is an arithmetic number, because the mean of its divisors is an integer number (16706610).
Almost surely, 2130682728 is an apocalyptic number.
It is an amenable number.
130682728 is an abundant number, since it is smaller than the sum of its proper divisors (136623032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130682728 is a wasteful number, since it uses less digits than its factorization.
130682728 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1485048 (or 1485044 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
The square root of 130682728 is about 11431.6546483875. The cubic root of 130682728 is about 507.4649646193.
The spelling of 130682728 in words is "one hundred thirty million, six hundred eighty-two thousand, seven hundred twenty-eight".
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