Base | Representation |
---|---|
bin | 101111010100001110… |
… | …101011010011010111 |
3 | 11212010201001111011011 |
4 | 233110032223103113 |
5 | 1313022121214211 |
6 | 35201204553051 |
7 | 3446000364025 |
oct | 572416532327 |
9 | 155121044134 |
10 | 50805257431 |
11 | 1a601274965 |
12 | 9a1a6b2787 |
13 | 4a38843906 |
14 | 265d667715 |
15 | 14c5409921 |
hex | bd43ab4d7 |
50805257431 has 2 divisors, whose sum is σ = 50805257432. Its totient is φ = 50805257430.
The previous prime is 50805257417. The next prime is 50805257443. The reversal of 50805257431 is 13475250805.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 50805257431 - 211 = 50805255383 is a prime.
It is a super-2 number, since 2×508052574312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (50805257471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25402628715 + 25402628716.
It is an arithmetic number, because the mean of its divisors is an integer number (25402628716).
Almost surely, 250805257431 is an apocalyptic number.
50805257431 is a deficient number, since it is larger than the sum of its proper divisors (1).
50805257431 is an equidigital number, since it uses as much as digits as its factorization.
50805257431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 168000, while the sum is 40.
The spelling of 50805257431 in words is "fifty billion, eight hundred five million, two hundred fifty-seven thousand, four hundred thirty-one".
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