Base | Representation |
---|---|
bin | 11001100101000000010101… |
… | …10000001101111110010000 |
3 | 21101011011112011110222212000 |
4 | 30302200022300031332100 |
5 | 24333023000430330340 |
6 | 315343314225234000 |
7 | 14563500611335005 |
oct | 1462401260157620 |
9 | 241134464428760 |
10 | 56247072120720 |
11 | 16a16281943748 |
12 | 6385086792900 |
13 | 25500cb38c2c0 |
14 | dc65310178ac |
15 | 6781ae866d30 |
hex | 33280ac0df90 |
56247072120720 has 1280 divisors, whose sum is σ = 224309909913600. Its totient is φ = 12838984704000.
The previous prime is 56247072120713. The next prime is 56247072120773. The reversal of 56247072120720 is 2702127074265.
56247072120720 is a `hidden beast` number, since 5 + 624 + 7 + 0 + 7 + 2 + 12 + 0 + 7 + 2 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 6866931825 + ... + 6866940015.
It is an arithmetic number, because the mean of its divisors is an integer number (175242117120).
Almost surely, 256247072120720 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 56247072120720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112154954956800).
56247072120720 is an abundant number, since it is smaller than the sum of its proper divisors (168062837792880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56247072120720 is a wasteful number, since it uses less digits than its factorization.
56247072120720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8517 (or 8505 counting only the distinct ones).
The product of its (nonzero) digits is 658560, while the sum is 45.
Adding to 56247072120720 its reverse (2702127074265), we get a palindrome (58949199194985).
The spelling of 56247072120720 in words is "fifty-six trillion, two hundred forty-seven billion, seventy-two million, one hundred twenty thousand, seven hundred twenty".
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