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52254720000 = 21436547
BaseRepresentation
bin110000101010100111…
…111100000000000000
311222212201110211000000
4300222213330000000
51324004202020000
640001104000000
73526630535310
oct605247740000
9158781424000
1052254720000
112018547760a
12a164000000
134c09c1cc82
142759d73440
15155c7c0000
hexc2a9fc000

52254720000 has 1050 divisors, whose sum is σ = 223767940088. Its totient is φ = 11943936000.

The previous prime is 52254719977. The next prime is 52254720017. The reversal of 52254720000 is 2745225.

It is a Jordan-Polya number, since it can be written as 10! ⋅ (5!)2.

It is a tau number, because it is divible by the number of its divisors (1050).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 7464959997 + ... + 7464960003.

Almost surely, 252254720000 is an apocalyptic number.

52254720000 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 52254720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111883970044).

52254720000 is an abundant number, since it is smaller than the sum of its proper divisors (171513220088).

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

52254720000 is an frugal number, since it uses more digits than its factorization.

52254720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The spelling of 52254720000 in words is "fifty-two billion, two hundred fifty-four million, seven hundred twenty thousand".