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139019280000 = 273541274561
BaseRepresentation
bin1000000101111000110…
…0011101111010000000
3111021211111022010211020
42001132030131322000
54234202413430000
6143510425345440
713021012245216
oct2013614357200
9437744263736
10139019280000
1153a59839747
1222b39338280
13101566455c3
146a2b29ccb6
153939a9cba0
hex205e31de80

139019280000 has 320 divisors, whose sum is σ = 465175096320. Its totient is φ = 36771840000.

The previous prime is 139019279977. The next prime is 139019280013. The reversal of 139019280000 is 82910931.

It is a tau number, because it is divible by the number of its divisors (320).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30477720 + ... + 30482280.

It is an arithmetic number, because the mean of its divisors is an integer number (1453672176).

Almost surely, 2139019280000 is an apocalyptic number.

139019280000 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 139019280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232587548160).

139019280000 is an abundant number, since it is smaller than the sum of its proper divisors (326155816320).

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

139019280000 is an equidigital number, since it uses as much as digits as its factorization.

139019280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725 (or 4698 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 139019280000 in words is "one hundred thirty-nine billion, nineteen million, two hundred eighty thousand".