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139668125696 = 2111119378819
BaseRepresentation
bin1000001000010011011…
…1100111100000000000
3111100111201012220210022
42002010313213200000
54242020020010241
6144055044353012
713043051323511
oct2020467474000
9440451186708
10139668125696
115426201a060
122309a6a5768
131022abb4078
146a8d51ca08
153976a1854b
hex2084de7800

139668125696 has 192 divisors, whose sum is σ = 329395248000. Its totient is φ = 58512015360.

The previous prime is 139668125693. The next prime is 139668125719. The reversal of 139668125696 is 696521866931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139668125693) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15832775 + ... + 15841593.

It is an arithmetic number, because the mean of its divisors is an integer number (1715600250).

Almost surely, 2139668125696 is an apocalyptic number.

139668125696 is a gapful number since it is divisible by the number (16) 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 139668125696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164697624000).

139668125696 is an abundant number, since it is smaller than the sum of its proper divisors (189727122304).

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

139668125696 is a wasteful number, since it uses less digits than its factorization.

139668125696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908 (or 8888 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 62.

The spelling of 139668125696 in words is "one hundred thirty-nine billion, six hundred sixty-eight million, one hundred twenty-five thousand, six hundred ninety-six".