Base | Representation |
---|---|
bin | 1111100101000… |
… | …01100011000001 |
3 | 100002220111021200 |
4 | 13302201203001 |
5 | 231423410441 |
6 | 20545011413 |
7 | 3144543120 |
oct | 762414301 |
9 | 302814250 |
10 | 130685121 |
11 | 6784a736 |
12 | 37923b69 |
13 | 210c8598 |
14 | 134dbab7 |
15 | b7167b6 |
hex | 7ca18c1 |
130685121 has 24 divisors (see below), whose sum is σ = 219810240. Its totient is φ = 73266336.
The previous prime is 130685101. The next prime is 130685131. The reversal of 130685121 is 121586031.
It is not a de Polignac number, because 130685121 - 214 = 130668737 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130685101) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16231 + ... + 22908.
It is an arithmetic number, because the mean of its divisors is an integer number (9158760).
Almost surely, 2130685121 is an apocalyptic number.
It is an amenable number.
130685121 is a deficient number, since it is larger than the sum of its proper divisors (89125119).
130685121 is a wasteful number, since it uses less digits than its factorization.
130685121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39205 (or 39202 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 130685121 is about 11431.7593134215. The cubic root of 130685121 is about 507.4680620862.
The spelling of 130685121 in words is "one hundred thirty million, six hundred eighty-five thousand, one hundred twenty-one".
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