Base | Representation |
---|---|
bin | 110100011010111110… |
… | …111101010011100100 |
3 | 12101021202110102021211 |
4 | 310122332331103210 |
5 | 1410234021132000 |
6 | 41505155521204 |
7 | 4031565020044 |
oct | 643276752344 |
9 | 171252412254 |
10 | 56287286500 |
11 | 219647844a5 |
12 | aaaa5b9204 |
13 | 54005048b3 |
14 | 2a1d763724 |
15 | 16e68297ba |
hex | d1afbd4e4 |
56287286500 has 24 divisors (see below), whose sum is σ = 122931434808. Its totient is φ = 22514914400.
The previous prime is 56287286491. The next prime is 56287286507. The reversal of 56287286500 is 568278265.
It can be written as a sum of positive squares in 4 ways, for example, as 200732224 + 56086554276 = 14168^2 + 236826^2 .
It is not an unprimeable number, because it can be changed into a prime (56287286507) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56286787 + ... + 56287786.
It is an arithmetic number, because the mean of its divisors is an integer number (5122143117).
Almost surely, 256287286500 is an apocalyptic number.
56287286500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is an amenable number.
56287286500 is an abundant number, since it is smaller than the sum of its proper divisors (66644148308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56287286500 is a wasteful number, since it uses less digits than its factorization.
56287286500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112574592 (or 112574580 counting only the distinct ones).
The product of its (nonzero) digits is 1612800, while the sum is 49.
The spelling of 56287286500 in words is "fifty-six billion, two hundred eighty-seven million, two hundred eighty-six thousand, five hundred".
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