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52252620000 = 25354732539
BaseRepresentation
bin110000101010011111…
…111011010011100000
311222212120112010100020
4300222133323103200
51324003132320000
640000550553440
73526603641000
oct605237732340
9158776463306
1052252620000
1120184272879
12a163368880
134c09666179
142759988000
15155c507ba0
hexc2a7fb4e0

52252620000 has 480 divisors, whose sum is σ = 199960992000. Its totient is φ = 11938752000.

The previous prime is 52252619983. The next prime is 52252620011. The reversal of 52252620000 is 2625225.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20578731 + ... + 20581269.

It is an arithmetic number, because the mean of its divisors is an integer number (416585400).

Almost surely, 252252620000 is an apocalyptic number.

52252620000 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 52252620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99980496000).

52252620000 is an abundant number, since it is smaller than the sum of its proper divisors (147708372000).

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

52252620000 is an equidigital number, since it uses as much as digits as its factorization.

52252620000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 52252620000 in words is "fifty-two billion, two hundred fifty-two million, six hundred twenty thousand".