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56061250880 = 2651797131811
BaseRepresentation
bin110100001101100000…
…101100110101000000
312100201000010121201012
4310031200230311000
51404303140012010
641430523100052
74023151525055
oct641540546500
9170630117635
1056061250880
11218591295a8
12aa46971628
135395732bcb
1429db72502c
1516d1a7b005
hexd0d82cd40

56061250880 has 224 divisors, whose sum is σ = 144073302912. Its totient is φ = 20702822400.

The previous prime is 56061250879. The next prime is 56061250913. The reversal of 56061250880 is 8805216065.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69125675 + ... + 69126485.

It is an arithmetic number, because the mean of its divisors is an integer number (643184388).

Almost surely, 256061250880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56061250880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72036651456).

56061250880 is an abundant number, since it is smaller than the sum of its proper divisors (88012052032).

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

56061250880 is a wasteful number, since it uses less digits than its factorization.

56061250880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 56061250880 in words is "fifty-six billion, sixty-one million, two hundred fifty thousand, eight hundred eighty".