Base | Representation |
---|---|
bin | 1111100001001… |
… | …11110101110111 |
3 | 100001222011110111 |
4 | 13300213311313 |
5 | 231311432430 |
6 | 20530203451 |
7 | 3140365546 |
oct | 760476567 |
9 | 301864414 |
10 | 130186615 |
11 | 6753a149 |
12 | 37723587 |
13 | 20c82700 |
14 | 1340c15d |
15 | b668c2a |
hex | 7c27d77 |
130186615 has 12 divisors (see below), whose sum is σ = 169166664. Its totient is φ = 96137184.
The previous prime is 130186591. The next prime is 130186643. The reversal of 130186615 is 516681031.
It is not a de Polignac number, because 130186615 - 29 = 130186103 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76189 + ... + 77878.
It is an arithmetic number, because the mean of its divisors is an integer number (14097222).
Almost surely, 2130186615 is an apocalyptic number.
130186615 is a deficient number, since it is larger than the sum of its proper divisors (38980049).
130186615 is a wasteful number, since it uses less digits than its factorization.
130186615 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154098 (or 154085 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 130186615 is about 11409.9349253184. The cubic root of 130186615 is about 506.8219844022.
It can be divided in two parts, 1301866 and 15, that added together give a square (1301881 = 11412).
The spelling of 130186615 in words is "one hundred thirty million, one hundred eighty-six thousand, six hundred fifteen".
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