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130268717 = 227573871
BaseRepresentation
bin1111100001110…
…11111000101101
3100002010100002022
413300323320231
5231322044332
620532035525
73141160115
oct760737055
9302110068
10130268717
11675958a7
1237762ba5
1320cb0ba7
1413430045
15b683212
hex7c3be2d

130268717 has 4 divisors (see below), whose sum is σ = 130842816. Its totient is φ = 129694620.

The previous prime is 130268707. The next prime is 130268791. The reversal of 130268717 is 717862031.

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 130268717 - 24 = 130268701 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 (130268707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286709 + ... + 287162.

It is an arithmetic number, because the mean of its divisors is an integer number (32710704).

Almost surely, 2130268717 is an apocalyptic number.

It is an amenable number.

130268717 is a deficient number, since it is larger than the sum of its proper divisors (574099).

130268717 is an equidigital number, since it uses as much as digits as its factorization.

130268717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574098.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 130268717 is about 11413.5321877147. The cubic root of 130268717 is about 506.9285041964.

The spelling of 130268717 in words is "one hundred thirty million, two hundred sixty-eight thousand, seven hundred seventeen".

Divisors: 1 227 573871 130268717