Base | Representation |
---|---|
bin | 1111100100110… |
… | …00001001110101 |
3 | 100002211112111122 |
4 | 13302120021311 |
5 | 231421143040 |
6 | 20544113325 |
7 | 3144323003 |
oct | 762301165 |
9 | 302745448 |
10 | 130646645 |
11 | 67823838 |
12 | 37905845 |
13 | 210b3c0c |
14 | 134cba73 |
15 | b70a1b5 |
hex | 7c98275 |
130646645 has 16 divisors (see below), whose sum is σ = 160220160. Its totient is φ = 102246144.
The previous prime is 130646629. The next prime is 130646701. The reversal of 130646645 is 546646031.
It is a cyclic number.
It is not a de Polignac number, because 130646645 - 24 = 130646629 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43172 + ... + 46098.
It is an arithmetic number, because the mean of its divisors is an integer number (10013760).
Almost surely, 2130646645 is an apocalyptic number.
It is an amenable number.
130646645 is a deficient number, since it is larger than the sum of its proper divisors (29573515).
130646645 is a wasteful number, since it uses less digits than its factorization.
130646645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3124.
The product of its (nonzero) digits is 51840, while the sum is 35.
The square root of 130646645 is about 11430.0763339533. The cubic root of 130646645 is about 507.4182546877.
The spelling of 130646645 in words is "one hundred thirty million, six hundred forty-six thousand, six hundred forty-five".
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