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52788841728 = 283717261557
BaseRepresentation
bin110001001010011101…
…011100110100000000
312001020221112000021020
4301022131130310000
51331102420413403
640130104025440
73546104515440
oct611235346400
9161227460236
1052788841728
1120429a1a127
12a292a62280
134c9379112c
1427aac8c120
15158e628453
hexc4a75cd00

52788841728 has 432 divisors, whose sum is σ = 173674134144. Its totient is φ = 13937541120.

The previous prime is 52788841697. The next prime is 52788841771. The reversal of 52788841728 is 82714888725.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94773226 + ... + 94773782.

Almost surely, 252788841728 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 52788841728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86837067072).

52788841728 is an abundant number, since it is smaller than the sum of its proper divisors (120885292416).

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

52788841728 is a wasteful number, since it uses less digits than its factorization.

52788841728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 647 counting only the distinct ones).

The product of its digits is 16056320, while the sum is 60.

The spelling of 52788841728 in words is "fifty-two billion, seven hundred eighty-eight million, eight hundred forty-one thousand, seven hundred twenty-eight".