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138915403593120 = 2532571124719712301
BaseRepresentation
bin11111100101011111000011…
…010010001111010110100000
3200012212011221022202101020100
4133211133003102033112200
5121201442221304434440
61211240504433542400
741155210125656220
oct3745370322172640
9605764838671210
10138915403593120
11402987678a1800
12136b689b714a00
135c68887c8038b
1426437818a6080
15110d795ec3230
hex7e57c348f5a0

138915403593120 has 1728 divisors, whose sum is σ = 611306382855168. Its totient is φ = 28105684992000.

The previous prime is 138915403593053. The next prime is 138915403593137. The reversal of 138915403593120 is 21395304519831.

It is a happy number.

138915403593120 is a `hidden beast` number, since 1 + 3 + 8 + 9 + 1 + 5 + 40 + 3 + 593 + 1 + 2 + 0 = 666.

It is a super-2 number, since 2×1389154035931202 (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 11293010970 + ... + 11293023270.

It is an arithmetic number, because the mean of its divisors is an integer number (353765267856).

Almost surely, 2138915403593120 is an apocalyptic number.

138915403593120 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 138915403593120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305653191427584).

138915403593120 is an abundant number, since it is smaller than the sum of its proper divisors (472390979262048).

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

138915403593120 is a wasteful number, since it uses less digits than its factorization.

138915403593120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595 (or 12573 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 138915403593120 in words is "one hundred thirty-eight trillion, nine hundred fifteen billion, four hundred three million, five hundred ninety-three thousand, one hundred twenty".