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139989187936 = 25132331895303
BaseRepresentation
bin1000001001100000000…
…0010111110101100000
3111101100002100120101101
42002120000113311200
54243144213003221
6144150554044144
713054030315153
oct2023000276540
9441302316341
10139989187936
1154407279954
122316a119654
131027c577920
146ac0015c9a
153994cd7d91
hex2098017d60

139989187936 has 192 divisors, whose sum is σ = 323352207360. Its totient is φ = 59124510720.

The previous prime is 139989187927. The next prime is 139989188011. The reversal of 139989187936 is 639781989931.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 26395461 + ... + 26400763.

It is an arithmetic number, because the mean of its divisors is an integer number (1684126080).

Almost surely, 2139989187936 is an apocalyptic number.

139989187936 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 139989187936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161676103680).

139989187936 is an abundant number, since it is smaller than the sum of its proper divisors (183363019424).

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

139989187936 is a wasteful number, since it uses less digits than its factorization.

139989187936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469 (or 5461 counting only the distinct ones).

The product of its digits is 158723712, while the sum is 73.

The spelling of 139989187936 in words is "one hundred thirty-nine billion, nine hundred eighty-nine million, one hundred eighty-seven thousand, nine hundred thirty-six".