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10839868704 = 2532729315981
BaseRepresentation
bin10100001100001101…
…10100010100100000
31000222110010101101200
422012012310110200
5134200001244304
64551344001200
7532423235520
oct120606642440
930873111350
1010839868704
114662906885
122126300200
1310399bc1c2
1474b909680
154369ace39
hex2861b4520

10839868704 has 288 divisors, whose sum is σ = 37626301440. Its totient is φ = 2893363200.

The previous prime is 10839868703. The next prime is 10839868717. The reversal of 10839868704 is 40786893801.

It is a tau number, because it is divible by the number of its divisors (288).

It is not an unprimeable number, because it can be changed into a prime (10839868703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1809394 + ... + 1815374.

It is an arithmetic number, because the mean of its divisors is an integer number (130646880).

Almost surely, 210839868704 is an apocalyptic number.

10839868704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10839868704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18813150720).

10839868704 is an abundant number, since it is smaller than the sum of its proper divisors (26786432736).

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

10839868704 is a wasteful number, since it uses less digits than its factorization.

10839868704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064 (or 6053 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 10839868704 in words is "ten billion, eight hundred thirty-nine million, eight hundred sixty-eight thousand, seven hundred four".