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130860691 = 1334928843
BaseRepresentation
bin1111100110011…
…00011010010011
3100010020102010021
413303030122103
5232000020231
620552444311
73146204023
oct763143223
9303212107
10130860691
116795a635
12379a9697
132115a480
1413545a83
15b74d811
hex7ccc693

130860691 has 8 divisors (see below), whose sum is σ = 141335600. Its totient is φ = 120444192.

The previous prime is 130860689. The next prime is 130860701. The reversal of 130860691 is 196068031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130860691 - 21 = 130860689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130860671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9885 + ... + 18958.

It is an arithmetic number, because the mean of its divisors is an integer number (17666950).

Almost surely, 2130860691 is an apocalyptic number.

130860691 is a deficient number, since it is larger than the sum of its proper divisors (10474909).

130860691 is a wasteful number, since it uses less digits than its factorization.

130860691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29205.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 130860691 is about 11439.4357815410. The cubic root of 130860691 is about 507.6952144397.

The spelling of 130860691 in words is "one hundred thirty million, eight hundred sixty thousand, six hundred ninety-one".

Divisors: 1 13 349 4537 28843 374959 10066207 130860691