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18125290413 = 327192801003
BaseRepresentation
bin10000111000010110…
…011111101110101101
31201210011221011011100
4100320112133232231
5244110033243123
612154315513313
71211106266166
oct207026375655
951704834140
1018125290413
117761287a5a
12361a158839
13192b18a519
14c3d32276d
157113a6643
hex43859fbad

18125290413 has 12 divisors (see below), whose sum is σ = 26217397440. Its totient is φ = 12066716616.

The previous prime is 18125290399. The next prime is 18125290457. The reversal of 18125290413 is 31409252181.

It is not a de Polignac number, because 18125290413 - 217 = 18125159341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18125291413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394031 + ... + 1406972.

It is an arithmetic number, because the mean of its divisors is an integer number (2184783120).

Almost surely, 218125290413 is an apocalyptic number.

It is an amenable number.

18125290413 is a deficient number, since it is larger than the sum of its proper divisors (8092107027).

18125290413 is a wasteful number, since it uses less digits than its factorization.

18125290413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801728 (or 2801725 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 18125290413 in words is "eighteen billion, one hundred twenty-five million, two hundred ninety thousand, four hundred thirteen".

Divisors: 1 3 9 719 2157 6471 2801003 8403009 25209027 2013921157 6041763471 18125290413