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130983671 = 7131439381
BaseRepresentation
bin1111100111010…
…10011011110111
3100010110122211002
413303222123313
5232012434141
620555233515
73150225410
oct763523367
9303418732
10130983671
1167a33a75
1237a4889b
13211a1440
1413578807
15b774e9b
hex7cea6f7

130983671 has 8 divisors (see below), whose sum is σ = 161210784. Its totient is φ = 103635360.

The previous prime is 130983667. The next prime is 130983679. The reversal of 130983671 is 176389031.

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 130983671 - 22 = 130983667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130983679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719600 + ... + 719781.

It is an arithmetic number, because the mean of its divisors is an integer number (20151348).

Almost surely, 2130983671 is an apocalyptic number.

130983671 is a deficient number, since it is larger than the sum of its proper divisors (30227113).

130983671 is a wasteful number, since it uses less digits than its factorization.

130983671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439401.

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

The square root of 130983671 is about 11444.8097843520. The cubic root of 130983671 is about 507.8542049112.

The spelling of 130983671 in words is "one hundred thirty million, nine hundred eighty-three thousand, six hundred seventy-one".

Divisors: 1 7 13 91 1439381 10075667 18711953 130983671