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389689344000 = 215325311312
BaseRepresentation
bin1011010101110110100…
…10111000000000000000
31101020212010020202221200
411222323102320000000
522341040433002000
6455004255021200
740103602525305
oct5527322700000
91336763222850
10389689344000
111402a25259a0
126363620a800
132a994491a68
1414c0aa950ac
15a20b624500
hex5abb4b8000

389689344000 has 1152 divisors, whose sum is σ = 1583695741680. Its totient is φ = 91422720000.

The previous prime is 389689343993. The next prime is 389689344017. The reversal of 389689344000 is 443986983.

It is a happy number.

389689344000 is a `hidden beast` number, since 38 + 96 + 89 + 3 + 440 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12570623985 + ... + 12570624015.

Almost surely, 2389689344000 is an apocalyptic number.

389689344000 is a gapful number since it is divisible by the number (30) 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 389689344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791847870840).

389689344000 is an abundant number, since it is smaller than the sum of its proper divisors (1194006397680).

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

389689344000 is an equidigital number, since it uses as much as digits as its factorization.

389689344000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 389689344000 in words is "three hundred eighty-nine billion, six hundred eighty-nine million, three hundred forty-four thousand".