Base | Representation |
---|---|
bin | 101111001111110101… |
… | …000001001010011101 |
3 | 11211221120010021111002 |
4 | 233033311001022131 |
5 | 1312344221003430 |
6 | 35150010240045 |
7 | 3444112655321 |
oct | 571765011235 |
9 | 154846107432 |
10 | 50731422365 |
11 | 1a573624548 |
12 | 99b9a26025 |
13 | 4a26461620 |
14 | 2653927981 |
15 | 14bdbc2845 |
hex | bcfd4129d |
50731422365 has 16 divisors (see below), whose sum is σ = 67159650096. Its totient is φ = 36549465600.
The previous prime is 50731422353. The next prime is 50731422367. The reversal of 50731422365 is 56322413705.
It can be written as a sum of positive squares in 8 ways, for example, as 17272793476 + 33458628889 = 131426^2 + 182917^2 .
It is not a de Polignac number, because 50731422365 - 220 = 50730373789 is a prime.
It is a super-3 number, since 3×507314223653 (a number of 33 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50731422367) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9515426 + ... + 9520755.
It is an arithmetic number, because the mean of its divisors is an integer number (4197478131).
Almost surely, 250731422365 is an apocalyptic number.
It is an amenable number.
50731422365 is a deficient number, since it is larger than the sum of its proper divisors (16428227731).
50731422365 is a wasteful number, since it uses less digits than its factorization.
50731422365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19036240.
The product of its (nonzero) digits is 151200, while the sum is 38.
The spelling of 50731422365 in words is "fifty billion, seven hundred thirty-one million, four hundred twenty-two thousand, three hundred sixty-five".
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