Search a number
-
+
130542671 = 7151123503
BaseRepresentation
bin1111100011111…
…10110001001111
3100002122020212202
413301332301033
5231404331141
620541552115
73143410610
oct761766117
9302566782
10130542671
1167762706
123787563b
13210787ac
14134a1c07
15b6d949b
hex7c7ec4f

130542671 has 8 divisors (see below), whose sum is σ = 150180864. Its totient is φ = 111151800.

The previous prime is 130542637. The next prime is 130542683. The reversal of 130542671 is 176245031.

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

It is a cyclic number.

It is not a de Polignac number, because 130542671 - 214 = 130526287 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 (130542611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60695 + ... + 62808.

It is an arithmetic number, because the mean of its divisors is an integer number (18772608).

Almost surely, 2130542671 is an apocalyptic number.

130542671 is a deficient number, since it is larger than the sum of its proper divisors (19638193).

130542671 is a wasteful number, since it uses less digits than its factorization.

130542671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123661.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 130542671 is about 11425.5271650808. The cubic root of 130542671 is about 507.2836108231.

The spelling of 130542671 in words is "one hundred thirty million, five hundred forty-two thousand, six hundred seventy-one".

Divisors: 1 7 151 1057 123503 864521 18648953 130542671