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130718377 = 791654663
BaseRepresentation
bin1111100101010…
…01101010101001
3100002222011220101
413302221222221
5231430442002
620545425401
73145042066
oct762515251
9302864811
10130718377
1167872719
123793b261
132110a76a
1413509c6d
15b721587
hex7ca9aa9

130718377 has 4 divisors (see below), whose sum is σ = 132373120. Its totient is φ = 129063636.

The previous prime is 130718353. The next prime is 130718387. The reversal of 130718377 is 773817031.

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 130718377 - 27 = 130718249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130718317) 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, 827253 + ... + 827410.

It is an arithmetic number, because the mean of its divisors is an integer number (33093280).

Almost surely, 2130718377 is an apocalyptic number.

It is an amenable number.

130718377 is a deficient number, since it is larger than the sum of its proper divisors (1654743).

130718377 is an equidigital number, since it uses as much as digits as its factorization.

130718377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654742.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 130718377 is about 11433.2137651668. The cubic root of 130718377 is about 507.5111042892.

The spelling of 130718377 in words is "one hundred thirty million, seven hundred eighteen thousand, three hundred seventy-seven".

Divisors: 1 79 1654663 130718377