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138612200126400 = 26325271113233113487
BaseRepresentation
bin11111100001000100101010…
…111100110011011111000000
3200011210012022112221101021200
4133201010222330303133000
5121132010241213021100
61210445322103221200
741124254352014460
oct3741045274633700
9604705275841250
10138612200126400
11401911163a4550
1213667b81447800
135c460c756b040
142632c1b115ba0
15110594c47de00
hex7e112af337c0

138612200126400 has 4032 divisors, whose sum is σ = 712552409726976. Its totient is φ = 24608821248000.

The previous prime is 138612200126359. The next prime is 138612200126479. The reversal of 138612200126400 is 4621002216831.

It is a happy number.

138612200126400 is a `hidden beast` number, since 1 + 3 + 8 + 6 + 1 + 2 + 2 + 0 + 0 + 1 + 2 + 640 + 0 = 666.

138612200126400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (4032).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 10277460457 + ... + 10277473943.

It is an arithmetic number, because the mean of its divisors is an integer number (176724307968).

Almost surely, 2138612200126400 is an apocalyptic number.

138612200126400 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 138612200126400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356276204863488).

138612200126400 is an abundant number, since it is smaller than the sum of its proper divisors (573940209600576).

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

138612200126400 is a wasteful number, since it uses less digits than its factorization.

138612200126400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13600 (or 13582 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 138612200126400 in words is "one hundred thirty-eight trillion, six hundred twelve billion, two hundred million, one hundred twenty-six thousand, four hundred".