Base | Representation |
---|---|
bin | 11001011111011010101011… |
… | …01001000011010100111111 |
3 | 21100110210220011101211220000 |
4 | 30233231111221003110333 |
5 | 24321401223040124431 |
6 | 315115200424125343 |
7 | 14543562342644040 |
oct | 1457552551032477 |
9 | 240423804354800 |
10 | 56055055004991 |
11 | 169518a721a669 |
12 | 6353a18606853 |
13 | 2537c79b9c8b3 |
14 | dbb1172268c7 |
15 | 6731c215b9e6 |
hex | 32fb55a4353f |
56055055004991 has 40 divisors (see below), whose sum is σ = 95710561677984. Its totient is φ = 32027566717440.
The previous prime is 56055055004981. The next prime is 56055055004999. The reversal of 56055055004991 is 19940055055065.
56055055004991 is a `hidden beast` number, since 5 + 6 + 0 + 5 + 5 + 0 + 5 + 500 + 49 + 91 = 666.
It is not a de Polignac number, because 56055055004991 - 27 = 56055055004863 is a prime.
It is a super-2 number, since 2×560550550049912 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56055055004999) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1335930 + ... + 10672151.
Almost surely, 256055055004991 is an apocalyptic number.
56055055004991 is a deficient number, since it is larger than the sum of its proper divisors (39655506672993).
56055055004991 is a wasteful number, since it uses less digits than its factorization.
56055055004991 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12016333 (or 12016324 counting only the distinct ones).
The product of its (nonzero) digits is 6075000, while the sum is 54.
The spelling of 56055055004991 in words is "fifty-six trillion, fifty-five billion, fifty-five million, four thousand, nine hundred ninety-one".
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