Search a number
-
+
130072559 = 1731246817
BaseRepresentation
bin1111100000010…
…11111111101111
3100001202101000012
413300023333233
5231244310214
620523523435
73136412201
oct760137757
9301671005
10130072559
1167471491
123768957b
1320c42816
14133bc771
15b64503e
hex7c0bfef

130072559 has 8 divisors (see below), whose sum is σ = 142167168. Its totient is φ = 118471680.

The previous prime is 130072531. The next prime is 130072561. The reversal of 130072559 is 955270031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130072559 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 (130072519) 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, 122882 + ... + 123935.

It is an arithmetic number, because the mean of its divisors is an integer number (17770896).

Almost surely, 2130072559 is an apocalyptic number.

130072559 is a deficient number, since it is larger than the sum of its proper divisors (12094609).

130072559 is a wasteful number, since it uses less digits than its factorization.

130072559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246865.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 130072559 is about 11404.9357297619. The cubic root of 130072559 is about 506.6739328848.

The spelling of 130072559 in words is "one hundred thirty million, seventy-two thousand, five hundred fifty-nine".

Divisors: 1 17 31 527 246817 4195889 7651327 130072559