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139431948000 = 2535343126959
BaseRepresentation
bin1000000111011011001…
…0101010111011100000
3111022220020210211220020
42001312302222323200
54241024034314000
6144015410313440
713034153001012
oct2016662527340
9438806724806
10139431948000
1154150777284
1223033588880
13101c0ca0c57
146a6a0001b2
153960e14ba0
hex2076caaee0

139431948000 has 192 divisors, whose sum is σ = 457855856640. Its totient is φ = 37094208000.

The previous prime is 139431947969. The next prime is 139431948023. The reversal of 139431948000 is 849134931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5158521 + ... + 5185479.

It is an arithmetic number, because the mean of its divisors is an integer number (2384665920).

Almost surely, 2139431948000 is an apocalyptic number.

139431948000 is a gapful number since it is divisible by the number (10) 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 139431948000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228927928320).

139431948000 is an abundant number, since it is smaller than the sum of its proper divisors (318423908640).

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

139431948000 is a wasteful number, since it uses less digits than its factorization.

139431948000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27418 (or 27400 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 139431948000 in words is "one hundred thirty-nine billion, four hundred thirty-one million, nine hundred forty-eight thousand".