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56245120000 = 21054233821
BaseRepresentation
bin110100011000011110…
…000110110000000000
312101011211010010201121
4310120132012300000
51410142222320000
641501052042024
74030543426456
oct643036066000
9171154103647
1056245120000
11219429a4153
12aa98463314
1353c485cbc4
142a17d089d6
1516e2c9ab1a
hexd18786c00

56245120000 has 220 divisors, whose sum is σ = 146646195696. Its totient is φ = 21514240000.

The previous prime is 56245119941. The next prime is 56245120027. The reversal of 56245120000 is 2154265.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 19 ways as a sum of consecutive naturals, for example, 14718090 + ... + 14721910.

Almost surely, 256245120000 is an apocalyptic number.

56245120000 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 56245120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73323097848).

56245120000 is an abundant number, since it is smaller than the sum of its proper divisors (90401075696).

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

56245120000 is an equidigital number, since it uses as much as digits as its factorization.

56245120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3851 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 56245120000 its reverse (2154265), we get a palindrome (56247274265).

The spelling of 56245120000 in words is "fifty-six billion, two hundred forty-five million, one hundred twenty thousand".