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130402424421 = 3323209987801
BaseRepresentation
bin111100101110010010…
…1110001011001100101
3110110120222011112011000
41321130211301121211
54114031010040141
6135523412303513
712264331214253
oct1713445613145
9413528145130
10130402424421
11503378505a5
1221333611b99
13c3b23847a9
146450b015d3
1535d33555b6
hex1e5c971665

130402424421 has 16 divisors (see below), whose sum is σ = 201588289920. Its totient is φ = 83155168800.

The previous prime is 130402424407. The next prime is 130402424473. The reversal of 130402424421 is 124424204031.

130402424421 is a `hidden beast` number, since 13 + 0 + 402 + 4 + 244 + 2 + 1 = 666.

It is not a de Polignac number, because 130402424421 - 26 = 130402424357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130402424021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104993280 + ... + 104994521.

It is an arithmetic number, because the mean of its divisors is an integer number (12599268120).

Almost surely, 2130402424421 is an apocalyptic number.

It is an amenable number.

130402424421 is a deficient number, since it is larger than the sum of its proper divisors (71185865499).

130402424421 is a wasteful number, since it uses less digits than its factorization.

130402424421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209987833 (or 209987827 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 130402424421 its reverse (124424204031), we get a palindrome (254826628452).

The spelling of 130402424421 in words is "one hundred thirty billion, four hundred two million, four hundred twenty-four thousand, four hundred twenty-one".

Divisors: 1 3 9 23 27 69 207 621 209987801 629963403 1889890209 4829719423 5669670627 14489158269 43467474807 130402424421