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52779492000 = 2533531721989
BaseRepresentation
bin110001001001111001…
…110010001010100000
312001020021220222212000
4301021321302022200
51331043022221000
640125131404000
73545632164654
oct611171621240
9161207828760
1052779492000
1120424713584
12a28b8b3600
134c91869551
1427a9936a64
15158d8cd000
hexc49e722a0

52779492000 has 1152 divisors, whose sum is σ = 217238112000. Its totient is φ = 12408422400.

The previous prime is 52779491987. The next prime is 52779492023. The reversal of 52779492000 is 29497725.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 593027956 + ... + 593028044.

It is an arithmetic number, because the mean of its divisors is an integer number (188574750).

Almost surely, 252779492000 is an apocalyptic number.

52779492000 is a gapful number since it is divisible by the number (50) 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 52779492000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108619056000).

52779492000 is an abundant number, since it is smaller than the sum of its proper divisors (164458620000).

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

52779492000 is a wasteful number, since it uses less digits than its factorization.

52779492000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 52779492000 in words is "fifty-two billion, seven hundred seventy-nine million, four hundred ninety-two thousand".