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10839401420 = 225541970071
BaseRepresentation
bin10100001100001010…
…00010001111001100
31000222102020122101212
422012011002033030
5134144341321140
64551325553552
7532416251261
oct120605021714
930872218355
1010839401420
1146626177a1
1221261158b8
1310398875c3
1474b827268
15436919765
hex2861423cc

10839401420 has 12 divisors (see below), whose sum is σ = 22762743024. Its totient is φ = 4335760560.

The previous prime is 10839401389. The next prime is 10839401431. The reversal of 10839401420 is 2410493801.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270985016 + ... + 270985055.

It is an arithmetic number, because the mean of its divisors is an integer number (1896895252).

Almost surely, 210839401420 is an apocalyptic number.

10839401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10839401420 is an abundant number, since it is smaller than the sum of its proper divisors (11923341604).

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

10839401420 is a wasteful number, since it uses less digits than its factorization.

10839401420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541970080 (or 541970078 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 10839401420 in words is "ten billion, eight hundred thirty-nine million, four hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 541970071 1083940142 2167880284 2709850355 5419700710 10839401420