Search a number
-
+
130638611 = 587222553
BaseRepresentation
bin1111100100101…
…10001100010011
3100002211010111002
413302112030103
5231420413421
620544012215
73144260405
oct762261423
9302733432
10130638611
11678187a4
123790106b
13210b036c
14134c8b75
15b707b0b
hex7c96313

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".

Divisors: 1 587 222553 130638611