Search a number
-
+
130617109 = 726370949
BaseRepresentation
bin1111100100100…
…00111100010101
3100002210000222201
413302100330111
5231414221414
620543324501
73144140620
oct762207425
9302700881
10130617109
1167803627
12378b0731
13210a363c
14134c0db7
15b701574
hex7c90f15

130617109 has 8 divisors (see below), whose sum is σ = 149846400. Its totient is φ = 111530256.

The previous prime is 130617083. The next prime is 130617127. The reversal of 130617109 is 901716031.

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 130617109 - 211 = 130615061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130617169) 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, 33634 + ... + 37315.

It is an arithmetic number, because the mean of its divisors is an integer number (18730800).

Almost surely, 2130617109 is an apocalyptic number.

It is an amenable number.

130617109 is a deficient number, since it is larger than the sum of its proper divisors (19229291).

130617109 is an equidigital number, since it uses as much as digits as its factorization.

130617109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71219.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 130617109 is about 11428.7842310545. The cubic root of 130617109 is about 507.3800135345.

The spelling of 130617109 in words is "one hundred thirty million, six hundred seventeen thousand, one hundred nine".

Divisors: 1 7 263 1841 70949 496643 18659587 130617109