Base | Representation |
---|---|
bin | 10111001101110000001110… |
… | …10111111110001111111111 |
3 | 20200202100020120222200002212 |
4 | 23212320013113332033333 |
5 | 23142401103340130210 |
6 | 300324032224011035 |
7 | 13516151122612112 |
oct | 1346700727761777 |
9 | 220670216880085 |
10 | 51050105005055 |
11 | 152a2256446972 |
12 | 5885a28a60a7b |
13 | 22640094351b0 |
14 | c86ba42b6579 |
15 | 5d7de50ad805 |
hex | 2e6e075fe3ff |
51050105005055 has 48 divisors (see below), whose sum is σ = 70466313748320. Its totient is φ = 35284110057216.
The previous prime is 51050105005033. The next prime is 51050105005061. The reversal of 51050105005055 is 55050050105015.
It is not a de Polignac number, because 51050105005055 - 244 = 33457918960639 is a prime.
It is a super-2 number, since 2×510501050050552 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11158340 + ... + 15053529.
It is an arithmetic number, because the mean of its divisors is an integer number (1468048203090).
Almost surely, 251050105005055 is an apocalyptic number.
51050105005055 is a deficient number, since it is larger than the sum of its proper divisors (19416208743265).
51050105005055 is a wasteful number, since it uses less digits than its factorization.
51050105005055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26212008 (or 26211989 counting only the distinct ones).
The product of its (nonzero) digits is 15625, while the sum is 32.
The spelling of 51050105005055 in words is "fifty-one trillion, fifty billion, one hundred five million, five thousand, fifty-five".
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