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389325239520 = 253571917593467
BaseRepresentation
bin1011010101001011001…
…01111011010011100000
31101012220202010100111120
411222211211323103200
522334314230131040
6454504211012240
740061561635230
oct5524545732340
91335822110446
10389325239520
11140125a478a8
126355429a080
132a936c0aa19
1414bb4595cc0
15a1d96a17d0
hex5aa597b4e0

389325239520 has 384 divisors, whose sum is σ = 1476602265600. Its totient is φ = 84232783872.

The previous prime is 389325239503. The next prime is 389325239549. The reversal of 389325239520 is 25932523983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112292827 + ... + 112296293.

It is an arithmetic number, because the mean of its divisors is an integer number (3845318400).

Almost surely, 2389325239520 is an apocalyptic number.

389325239520 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 389325239520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738301132800).

389325239520 is an abundant number, since it is smaller than the sum of its proper divisors (1087277026080).

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

389325239520 is a wasteful number, since it uses less digits than its factorization.

389325239520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270 (or 5262 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 389325239520 in words is "three hundred eighty-nine billion, three hundred twenty-five million, two hundred thirty-nine thousand, five hundred twenty".