Search a number
-
+
56722560000 = 21035431953
BaseRepresentation
bin110100110100111011…
…011001010000000000
312102102002111121021120
4310310323121100000
51412131433410000
642020305152240
74045431543021
oct646473312000
9172362447246
1056722560000
1122068451967
12abb032b680
13546c746592
142a614aac48
15171eb596a0
hexd34ed9400

56722560000 has 440 divisors, whose sum is σ = 195221309184. Its totient is φ = 14622720000.

The previous prime is 56722559989. The next prime is 56722560001. The reversal of 56722560000 is 6522765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56722560001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59519524 + ... + 59520476.

Almost surely, 256722560000 is an apocalyptic number.

56722560000 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 56722560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97610654592).

56722560000 is an abundant number, since it is smaller than the sum of its proper divisors (138498749184).

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

56722560000 is an equidigital number, since it uses as much as digits as its factorization.

56722560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 56722560000 in words is "fifty-six billion, seven hundred twenty-two million, five hundred sixty thousand".