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130432304421 = 32311672799397
BaseRepresentation
bin111100101111001011…
…1110000010100100101
3110110200001101120210200
41321132113300110211
54114111132220141
6135530400541113
712265143203046
oct1713627602445
9413601346720
10130432304421
11503526a9911
1221341621799
13c3b8616c73
146454a7c8cd
1535d5ca8ab6
hex1e5e5f0525

130432304421 has 24 divisors (see below), whose sum is σ = 195644327424. Its totient is φ = 83645952480.

The previous prime is 130432304419. The next prime is 130432304437. The reversal of 130432304421 is 124403234031.

130432304421 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 3 + 230 + 4 + 421 = 666.

It is not a de Polignac number, because 130432304421 - 21 = 130432304419 is a prime.

It is a super-2 number, since 2×1304323044212 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130432304441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1353106 + ... + 1446291.

It is an arithmetic number, because the mean of its divisors is an integer number (8151846976).

Almost surely, 2130432304421 is an apocalyptic number.

It is an amenable number.

130432304421 is a deficient number, since it is larger than the sum of its proper divisors (65212023003).

130432304421 is a wasteful number, since it uses less digits than its factorization.

130432304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799601 (or 2799598 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 130432304421 its reverse (124403234031), we get a palindrome (254835538452).

The spelling of 130432304421 in words is "one hundred thirty billion, four hundred thirty-two million, three hundred four thousand, four hundred twenty-one".

Divisors: 1 3 9 31 93 167 279 501 1503 5177 15531 46593 2799397 8398191 25194573 86781307 260343921 467499299 781031763 1402497897 4207493691 14492478269 43477434807 130432304421