Base | Representation |
---|---|
bin | 10111011001000100010100… |
… | …01101111100100101111000 |
3 | 20202010111122201002202200211 |
4 | 23230202022031330211320 |
5 | 23220233224343430020 |
6 | 301222402531240504 |
7 | 13556222405302156 |
oct | 1354421215744570 |
9 | 222114581082624 |
10 | 51438847248760 |
11 | 1543210229a344 |
12 | 5929239a49134 |
13 | 229187c61bc7a |
14 | c9b9212703d6 |
15 | 5e30984a085a |
hex | 2ec88a37c978 |
51438847248760 has 16 divisors (see below), whose sum is σ = 115737406309800. Its totient is φ = 20575538899488.
The previous prime is 51438847248647. The next prime is 51438847248769. The reversal of 51438847248760 is 6784274883415.
51438847248760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51438847248769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642985590570 + ... + 642985590649.
Almost surely, 251438847248760 is an apocalyptic number.
It is an amenable number.
51438847248760 is an abundant number, since it is smaller than the sum of its proper divisors (64298559061040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51438847248760 is a wasteful number, since it uses less digits than its factorization.
51438847248760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1285971181230 (or 1285971181226 counting only the distinct ones).
The product of its (nonzero) digits is 289013760, while the sum is 67.
The spelling of 51438847248760 in words is "fifty-one trillion, four hundred thirty-eight billion, eight hundred forty-seven million, two hundred forty-eight thousand, seven hundred sixty".
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