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130389671 = 131995341
BaseRepresentation
bin1111100010110…
…01011010100111
3100002100111000002
413301121122213
5231334432141
620534411515
73142202546
oct761313247
9302314002
10130389671
1167668765
1237800b9b
1321023c69
141346215d
15b6a8e9b
hex7c596a7

130389671 has 4 divisors (see below), whose sum is σ = 131385144. Its totient is φ = 129394200.

The previous prime is 130389659. The next prime is 130389673. The reversal of 130389671 is 176983031.

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 130389671 - 210 = 130388647 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 (130389673) 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, 497540 + ... + 497801.

It is an arithmetic number, because the mean of its divisors is an integer number (32846286).

Almost surely, 2130389671 is an apocalyptic number.

130389671 is a deficient number, since it is larger than the sum of its proper divisors (995473).

130389671 is an equidigital number, since it uses as much as digits as its factorization.

130389671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995472.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 130389671 is about 11418.8296685781. The cubic root of 130389671 is about 507.0853493817.

The spelling of 130389671 in words is "one hundred thirty million, three hundred eighty-nine thousand, six hundred seventy-one".

Divisors: 1 131 995341 130389671