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16087234775 = 52643489391
BaseRepresentation
bin11101111101101111…
…11011100011010111
31112112010222012102012
432332313323203113
5230421313003100
611220153134435
71106441145053
oct167667734327
945463865365
1016087234775
116905908657
12314b6ba41b
131694b7a641
14ac879cc63
156424c8135
hex3bedfb8d7

16087234775 has 6 divisors (see below), whose sum is σ = 19948171152. Its totient is φ = 12869787800.

The previous prime is 16087234771. The next prime is 16087234781. The reversal of 16087234775 is 57743278061.

It is a happy number.

It is not a de Polignac number, because 16087234775 - 22 = 16087234771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16087234771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321744671 + ... + 321744720.

It is an arithmetic number, because the mean of its divisors is an integer number (3324695192).

Almost surely, 216087234775 is an apocalyptic number.

16087234775 is a deficient number, since it is larger than the sum of its proper divisors (3860936377).

16087234775 is an equidigital number, since it uses as much as digits as its factorization.

16087234775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643489401 (or 643489396 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 16087234775 in words is "sixteen billion, eighty-seven million, two hundred thirty-four thousand, seven hundred seventy-five".

Divisors: 1 5 25 643489391 3217446955 16087234775