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130130983 = 643202381
BaseRepresentation
bin1111100000110…
…10010000100111
3100001212100011001
413300122100213
5231303142413
620525054131
73140044423
oct760322047
9301770131
10130130983
1167501374
12376b7347
1320c632a8
14133d5b83
15b6574dd
hex7c1a427

130130983 has 4 divisors (see below), whose sum is σ = 130334008. Its totient is φ = 129927960.

The previous prime is 130130947. The next prime is 130131011. The reversal of 130130983 is 389031031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389031031 = 739526429.

It is a cyclic number.

It is not a de Polignac number, because 130130983 - 217 = 129999911 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 (130136983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100548 + ... + 101833.

It is an arithmetic number, because the mean of its divisors is an integer number (32583502).

Almost surely, 2130130983 is an apocalyptic number.

130130983 is a deficient number, since it is larger than the sum of its proper divisors (203025).

130130983 is an equidigital number, since it uses as much as digits as its factorization.

130130983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203024.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 130130983 is about 11407.4967893925. The cubic root of 130130983 is about 506.7497815422.

The spelling of 130130983 in words is "one hundred thirty million, one hundred thirty thousand, nine hundred eighty-three".

Divisors: 1 643 202381 130130983