Base | Representation |
---|---|
bin | 1111100110001… |
… | …10100010000101 |
3 | 100010012012002111 |
4 | 13303012202011 |
5 | 231443232423 |
6 | 20552141021 |
7 | 3146043565 |
oct | 763064205 |
9 | 303165074 |
10 | 130836613 |
11 | 67943536 |
12 | 37997771 |
13 | 2114c51b |
14 | 1353ada5 |
15 | b74660d |
hex | 7cc6885 |
130836613 has 4 divisors (see below), whose sum is σ = 131593068. Its totient is φ = 130080160.
The previous prime is 130836611. The next prime is 130836619. The reversal of 130836613 is 316638031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316638031 = 941 ⋅336491.
It can be written as a sum of positive squares in 2 ways, for example, as 94439524 + 36397089 = 9718^2 + 6033^2 .
It is a cyclic number.
It is not a de Polignac number, because 130836613 - 21 = 130836611 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130836611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377968 + ... + 378313.
It is an arithmetic number, because the mean of its divisors is an integer number (32898267).
Almost surely, 2130836613 is an apocalyptic number.
It is an amenable number.
130836613 is a deficient number, since it is larger than the sum of its proper divisors (756455).
130836613 is an equidigital number, since it uses as much as digits as its factorization.
130836613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 756454.
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 130836613 is about 11438.3833210817. The cubic root of 130836613 is about 507.6640743647.
The spelling of 130836613 in words is "one hundred thirty million, eight hundred thirty-six thousand, six hundred thirteen".
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