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130660869 = 359738197
BaseRepresentation
bin1111100100110…
…11101000000101
3100002212021000110
413302123220011
5231422121434
620544303233
73144412323
oct762335005
9302767013
10130660869
1167833499
1237911b19
13210ba531
14134d2d13
15b70e4e9
hex7c9ba05

130660869 has 8 divisors (see below), whose sum is σ = 177167520. Its totient is φ = 85630736.

The previous prime is 130660837. The next prime is 130660879. The reversal of 130660869 is 968066031.

It is a happy number.

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 130660869 - 25 = 130660837 is a prime.

It is a super-2 number, since 2×1306608692 = 34144525375670322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130660879) 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, 368922 + ... + 369275.

It is an arithmetic number, because the mean of its divisors is an integer number (22145940).

Almost surely, 2130660869 is an apocalyptic number.

It is an amenable number.

130660869 is a deficient number, since it is larger than the sum of its proper divisors (46506651).

130660869 is an equidigital number, since it uses as much as digits as its factorization.

130660869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738259.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 130660869 is about 11430.6985350852. The cubic root of 130660869 is about 507.4366688749.

The spelling of 130660869 in words is "one hundred thirty million, six hundred sixty thousand, eight hundred sixty-nine".

Divisors: 1 3 59 177 738197 2214591 43553623 130660869