Base | Representation |
---|---|
bin | 110100100110100010… |
… | …100111100110111100 |
3 | 12101210021022102220200 |
4 | 310212202213212330 |
5 | 1411133140343223 |
6 | 41540323443500 |
7 | 4036441100322 |
oct | 644642474674 |
9 | 171707272820 |
10 | 56481184188 |
11 | 21a54179720 |
12 | ab43526590 |
13 | 5431733460 |
14 | 2a3b3d7d12 |
15 | 170887aa43 |
hex | d268a79bc |
56481184188 has 144 divisors (see below), whose sum is σ = 167850009600. Its totient is φ = 15787820160.
The previous prime is 56481184187. The next prime is 56481184223. The reversal of 56481184188 is 88148118465.
56481184188 is a `hidden beast` number, since 5 + 6 + 481 + 1 + 84 + 1 + 88 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56481184187) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 9670173 + ... + 9676011.
Almost surely, 256481184188 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 56481184188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83925004800).
56481184188 is an abundant number, since it is smaller than the sum of its proper divisors (111368825412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56481184188 is a wasteful number, since it uses less digits than its factorization.
56481184188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7752 (or 7747 counting only the distinct ones).
The product of its digits is 1966080, while the sum is 54.
The spelling of 56481184188 in words is "fifty-six billion, four hundred eighty-one million, one hundred eighty-four thousand, one hundred eighty-eight".
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