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130793797 = 1051124447
BaseRepresentation
bin1111100101111…
…00000101000101
3100010010000100201
413302330011011
5231440400142
620551210501
73145505011
oct762740505
9303100321
10130793797
1167914352
1237976a31
1321135ba4
1413529541
15b738ab7
hex7cbc145

130793797 has 4 divisors (see below), whose sum is σ = 130919296. Its totient is φ = 130668300.

The previous prime is 130793791. The next prime is 130793863. The reversal of 130793797 is 797397031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130793797 - 223 = 122405189 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 (130793791) 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, 61173 + ... + 63274.

It is an arithmetic number, because the mean of its divisors is an integer number (32729824).

Almost surely, 2130793797 is an apocalyptic number.

It is an amenable number.

130793797 is a deficient number, since it is larger than the sum of its proper divisors (125499).

130793797 is a wasteful number, since it uses less digits than its factorization.

130793797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125498.

The product of its (nonzero) digits is 250047, while the sum is 46.

The square root of 130793797 is about 11436.5115747766. The cubic root of 130793797 is about 507.6086909977.

The spelling of 130793797 in words is "one hundred thirty million, seven hundred ninety-three thousand, seven hundred ninety-seven".

Divisors: 1 1051 124447 130793797