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130334502421 = 1372386939857
BaseRepresentation
bin111100101100010001…
…0101010111000010101
3110110102020100201200101
41321120202222320111
54113411113034141
6135512544414101
712262544664034
oct1713042527025
9413366321611
10130334502421
1150302479812
1221314917331
13c3a1292a66
146445aa071b
1535cc3da531
hex1e588aae15

130334502421 has 8 divisors (see below), whose sum is σ = 131294643480. Its totient is φ = 129374489088.

The previous prime is 130334502359. The next prime is 130334502443. The reversal of 130334502421 is 124205433031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79967921796 + 50366580625 = 282786^2 + 224425^2 .

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 130334502421 - 29 = 130334501909 is a prime.

It is a super-2 number, since 2×1303345024212 (a number of 23 digits) contains 22 as substring.

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 130334502421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130334502121) 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, 3250125 + ... + 3289981.

It is an arithmetic number, because the mean of its divisors is an integer number (16411830435).

Almost surely, 2130334502421 is an apocalyptic number.

It is an amenable number.

130334502421 is a deficient number, since it is larger than the sum of its proper divisors (960141059).

130334502421 is a wasteful number, since it uses less digits than its factorization.

130334502421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63863.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 130334502421 its reverse (124205433031), we get a palindrome (254539935452).

The spelling of 130334502421 in words is "one hundred thirty billion, three hundred thirty-four million, five hundred two thousand, four hundred twenty-one".

Divisors: 1 137 23869 39857 3270053 5460409 951346733 130334502421