Base | Representation |
---|---|
bin | 101111010100010011… |
… | …101000000110100101 |
3 | 11212010210111102010221 |
4 | 233110103220012211 |
5 | 1313022434230140 |
6 | 35201252444341 |
7 | 3446014410121 |
oct | 572423500645 |
9 | 155123442127 |
10 | 50806555045 |
11 | 1a601a80874 |
12 | 9a1b0196b1 |
13 | 4a38ba942c |
14 | 265d8c4581 |
15 | 14c55b414a |
hex | bd44e81a5 |
50806555045 has 32 divisors (see below), whose sum is σ = 65675948256. Its totient is φ = 37590835200.
The previous prime is 50806555043. The next prime is 50806555081. The reversal of 50806555045 is 54055560805.
It can be written as a sum of positive squares in 16 ways, for example, as 25735329 + 50780819716 = 5073^2 + 225346^2 .
It is not a de Polignac number, because 50806555045 - 21 = 50806555043 is a prime.
It is a super-2 number, since 2×508065550452 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 50806554992 and 50806555010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50806555043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6119337 + ... + 6127633.
It is an arithmetic number, because the mean of its divisors is an integer number (2052373383).
Almost surely, 250806555045 is an apocalyptic number.
It is an amenable number.
50806555045 is a deficient number, since it is larger than the sum of its proper divisors (14869393211).
50806555045 is a wasteful number, since it uses less digits than its factorization.
50806555045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9561.
The product of its (nonzero) digits is 600000, while the sum is 43.
The spelling of 50806555045 in words is "fifty billion, eight hundred six million, five hundred fifty-five thousand, forty-five".
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