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285034688916 = 22323752890743
BaseRepresentation
bin1000010010111010110…
…01000011000110010100
31000020201120001110022020
410021131121003012110
514132222340021131
6334535414333140
726410265610645
oct4113531030624
91006646043266
10285034688916
11aa97871860a
12472a965a1b0
1320b56539b53
14db1d78b6cc
15763394c996
hex425d643194

285034688916 has 12 divisors (see below), whose sum is σ = 665080940832. Its totient is φ = 95011562968.

The previous prime is 285034688891. The next prime is 285034688929. The reversal of 285034688916 is 619886430582.

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

It is a self number, because there is not a number n which added to its sum of digits gives 285034688916.

It is a congruent number.

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, 11876445360 + ... + 11876445383.

It is an arithmetic number, because the mean of its divisors is an integer number (55423411736).

Almost surely, 2285034688916 is an apocalyptic number.

It is an amenable number.

285034688916 is an abundant number, since it is smaller than the sum of its proper divisors (380046251916).

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

285034688916 is a wasteful number, since it uses less digits than its factorization.

285034688916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23752890750 (or 23752890748 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 285034688916 in words is "two hundred eighty-five billion, thirty-four million, six hundred eighty-eight thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 23752890743 47505781486 71258672229 95011562972 142517344458 285034688916