Base | Representation |
---|---|
bin | 110100110110011100… |
… | …011100011000001100 |
3 | 12102110212101010110200 |
4 | 310312130130120030 |
5 | 1412204442011110 |
6 | 42023014333500 |
7 | 4046161022262 |
oct | 646634343014 |
9 | 172425333420 |
10 | 56748000780 |
11 | 220808489a9 |
12 | abb895a290 |
13 | 5474ab32b3 |
14 | 2a64a10432 |
15 | 1721ed26c0 |
hex | d3671c60c |
56748000780 has 144 divisors (see below), whose sum is σ = 176645012544. Its totient is φ = 14737674240.
The previous prime is 56748000779. The next prime is 56748000791. The reversal of 56748000780 is 8700084765.
56748000780 is a `hidden beast` number, since 567 + 4 + 8 + 0 + 0 + 0 + 7 + 80 = 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 (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4369857 + ... + 4382823.
It is an arithmetic number, because the mean of its divisors is an integer number (1226701476).
Almost surely, 256748000780 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 56748000780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88322506272).
56748000780 is an abundant number, since it is smaller than the sum of its proper divisors (119897011764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56748000780 is a wasteful number, since it uses less digits than its factorization.
56748000780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13616 (or 13611 counting only the distinct ones).
The product of its (nonzero) digits is 376320, while the sum is 45.
The spelling of 56748000780 in words is "fifty-six billion, seven hundred forty-eight million, seven hundred eighty", and thus it is an aban number.
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