Search a number
-
+
130081007 = 747395383
BaseRepresentation
bin1111100000011…
…10000011101111
3100001202210121002
413300032003233
5231300043012
620524030515
73136445630
oct760160357
9301683532
10130081007
1167477871
123769243b
1320c46614
14133c1887
15b6477c2
hex7c0e0ef

130081007 has 8 divisors (see below), whose sum is σ = 151827456. Its totient is φ = 109125432.

The previous prime is 130080941. The next prime is 130081013. The reversal of 130081007 is 700180031.

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 130081007 - 28 = 130080751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130081007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130081057) 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, 197363 + ... + 198020.

It is an arithmetic number, because the mean of its divisors is an integer number (18978432).

Almost surely, 2130081007 is an apocalyptic number.

130081007 is a deficient number, since it is larger than the sum of its proper divisors (21746449).

130081007 is an equidigital number, since it uses as much as digits as its factorization.

130081007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395437.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 130081007 is about 11405.3060897111. The cubic root of 130081007 is about 506.6849018618.

The spelling of 130081007 in words is "one hundred thirty million, eighty-one thousand, seven".

Divisors: 1 7 47 329 395383 2767681 18583001 130081007