Base | Representation |
---|---|
bin | 1111100100101… |
… | …10001100010011 |
3 | 100002211010111002 |
4 | 13302112030103 |
5 | 231420413421 |
6 | 20544012215 |
7 | 3144260405 |
oct | 762261423 |
9 | 302733432 |
10 | 130638611 |
11 | 678187a4 |
12 | 3790106b |
13 | 210b036c |
14 | 134c8b75 |
15 | b707b0b |
hex | 7c96313 |
130638611 has 4 divisors (see below), whose sum is σ = 130861752. Its totient is φ = 130415472.
The previous prime is 130638583. The next prime is 130638617. The reversal of 130638611 is 116836031.
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 130638611 - 226 = 63529747 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130638617) 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, 110690 + ... + 111863.
It is an arithmetic number, because the mean of its divisors is an integer number (32715438).
Almost surely, 2130638611 is an apocalyptic number.
130638611 is a deficient number, since it is larger than the sum of its proper divisors (223141).
130638611 is an equidigital number, since it uses as much as digits as its factorization.
130638611 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223140.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 130638611 is about 11429.7248873278. The cubic root of 130638611 is about 507.4078533954.
The spelling of 130638611 in words is "one hundred thirty million, six hundred thirty-eight thousand, six hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •