Base | Representation |
---|---|
bin | 1111100010110… |
… | …10101000110111 |
3 | 100002100201212120 |
4 | 13301122220313 |
5 | 231340112204 |
6 | 20534451023 |
7 | 3142223262 |
oct | 761325067 |
9 | 302321776 |
10 | 130394679 |
11 | 676714a8 |
12 | 37803a73 |
13 | 2102631c |
14 | 13463cd9 |
15 | b6aa6d9 |
hex | 7c5aa37 |
130394679 has 4 divisors (see below), whose sum is σ = 173859576. Its totient is φ = 86929784.
The previous prime is 130394657. The next prime is 130394683. The reversal of 130394679 is 976493031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130394679 - 25 = 130394647 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130394679.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130394609) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21732444 + ... + 21732449.
It is an arithmetic number, because the mean of its divisors is an integer number (43464894).
Almost surely, 2130394679 is an apocalyptic number.
130394679 is a deficient number, since it is larger than the sum of its proper divisors (43464897).
130394679 is an equidigital number, since it uses as much as digits as its factorization.
130394679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43464896.
The product of its (nonzero) digits is 122472, while the sum is 42.
The square root of 130394679 is about 11419.0489533936. The cubic root of 130394679 is about 507.0918413349.
The spelling of 130394679 in words is "one hundred thirty million, three hundred ninety-four thousand, six hundred seventy-nine".
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