Search a number
-
+
130120220013 = 37172391525031
BaseRepresentation
bin111100100101111000…
…1001111110101101101
3110102212022011001110220
41321023301033311231
54112441234020023
6135435411521553
712254333423010
oct1711361176555
9412768131426
10130120220013
1150202521213
1221274bb92b9
13c368a77934
146425441377
1535b86ae3e3
hex1e4bc4fd6d

130120220013 has 32 divisors (see below), whose sum is σ = 210820423680. Its totient is φ = 69687770880.

The previous prime is 130120220003. The next prime is 130120220017. The reversal of 130120220013 is 310022021031.

It is not a de Polignac number, because 130120220013 - 24 = 130120219997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130120219974 and 130120220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130120220017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677193 + ... + 847838.

It is an arithmetic number, because the mean of its divisors is an integer number (6588138240).

Almost surely, 2130120220013 is an apocalyptic number.

It is an amenable number.

130120220013 is a deficient number, since it is larger than the sum of its proper divisors (80700203667).

130120220013 is a wasteful number, since it uses less digits than its factorization.

130120220013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525297.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 130120220013 its reverse (310022021031), we get a palindrome (440142241044).

The spelling of 130120220013 in words is "one hundred thirty billion, one hundred twenty million, two hundred twenty thousand, thirteen".

Divisors: 1 3 7 17 21 51 119 239 357 717 1673 4063 5019 12189 28441 85323 1525031 4575093 10675217 25925527 32025651 77776581 181478689 364482409 544436067 1093447227 2551376863 6196200953 7654130589 18588602859 43373406671 130120220013