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52704000000 = 211335661
BaseRepresentation
bin110001000101011001…
…110011100000000000
312001001000212121022000
4301011121303200000
51330414211000000
640113433344000
73544024415451
oct610531634000
9161030777260
1052704000000
11203960412a3
12a26a568000
134c7c027022
14279d8c5128
151586e6a000
hexc45673800

52704000000 has 672 divisors, whose sum is σ = 198349023600. Its totient is φ = 13824000000.

The previous prime is 52703999993. The next prime is 52704000007. The reversal of 52704000000 is 40725.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52703999993) and next prime (52704000007).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52704000007) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 863999970 + ... + 864000030.

Almost surely, 252704000000 is an apocalyptic number.

52704000000 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 52704000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99174511800).

52704000000 is an abundant number, since it is smaller than the sum of its proper divisors (145645023600).

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

52704000000 is an frugal number, since it uses more digits than its factorization.

52704000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

Adding to 52704000000 its reverse (40725), we get a palindrome (52704040725).

The spelling of 52704000000 in words is "fifty-two billion, seven hundred four million", and thus it is an aban number.