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10509238284 = 223875769857
BaseRepresentation
bin10011100100110011…
…00100000000001100
31000010101222121201120
421302121210000030
5133010331111114
64454453240540
7521300023446
oct116231440014
930111877646
1010509238284
1145032112a6
122053633150
13cb63584bc
14719a41496
1541794d5a9
hex27266400c

10509238284 has 12 divisors (see below), whose sum is σ = 24521556024. Its totient is φ = 3503079424.

The previous prime is 10509238273. The next prime is 10509238321. The reversal of 10509238284 is 48283290501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105092382842 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437884917 + ... + 437884940.

It is an arithmetic number, because the mean of its divisors is an integer number (2043463002).

Almost surely, 210509238284 is an apocalyptic number.

It is an amenable number.

10509238284 is an abundant number, since it is smaller than the sum of its proper divisors (14012317740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10509238284 is a wasteful number, since it uses less digits than its factorization.

10509238284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875769864 (or 875769862 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 10509238284 in words is "ten billion, five hundred nine million, two hundred thirty-eight thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 875769857 1751539714 2627309571 3503079428 5254619142 10509238284