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18250004325 = 352734761913
BaseRepresentation
bin10000111111110010…
…001111011101100101
31202002212121021111010
4100333302033131211
5244334000114300
612214532532433
71214152322460
oct207762173545
952085537433
1018250004325
117815719403
123653a81119
13194ac74c37
14c51b082d7
1571c2dda50
hex43fc8f765

18250004325 has 24 divisors (see below), whose sum is σ = 34483818688. Its totient is φ = 8342858880.

The previous prime is 18250004323. The next prime is 18250004341. The reversal of 18250004325 is 52340005281.

It is not a de Polignac number, because 18250004325 - 21 = 18250004323 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18250004292 and 18250004301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18250004323) 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, 17380432 + ... + 17381481.

Almost surely, 218250004325 is an apocalyptic number.

18250004325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18250004325 is a deficient number, since it is larger than the sum of its proper divisors (16233814363).

18250004325 is a wasteful number, since it uses less digits than its factorization.

18250004325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34761933 (or 34761928 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 18250004325 in words is "eighteen billion, two hundred fifty million, four thousand, three hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 34761913 104285739 173809565 243333391 521428695 730000173 869047825 1216666955 2607143475 3650000865 6083334775 18250004325