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389763520272 = 2435719753743
BaseRepresentation
bin1011010101111111011…
…01110101011100010000
31101021001021211022200000
411222333231311130100
522341213430122042
6455015504530000
740105463154540
oct5527755653420
91337037738600
10389763520272
111403303896a5
1263657020900
132a9a6963449
1414c16883320
15a212dc774c
hex5abfb75710

389763520272 has 240 divisors, whose sum is σ = 1360839567360. Its totient is φ = 105499760256.

The previous prime is 389763520231. The next prime is 389763520343. The reversal of 389763520272 is 272025367983.

389763520272 is a `hidden beast` number, since 3 + 8 + 97 + 6 + 3 + 520 + 27 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140233 + ... + 893975.

It is an arithmetic number, because the mean of its divisors is an integer number (5670164864).

Almost surely, 2389763520272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389763520272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680419783680).

389763520272 is an abundant number, since it is smaller than the sum of its proper divisors (971076047088).

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

389763520272 is a wasteful number, since it uses less digits than its factorization.

389763520272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753792 (or 753774 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 389763520272 in words is "three hundred eighty-nine billion, seven hundred sixty-three million, five hundred twenty thousand, two hundred seventy-two".