Base | Representation |
---|---|
bin | 101110110101011011… |
… | …110111011110010001 |
3 | 11210210200220122211110 |
4 | 232311123313132101 |
5 | 1310442341341312 |
6 | 35034031403533 |
7 | 3430125141504 |
oct | 566533673621 |
9 | 153720818743 |
10 | 50288621457 |
11 | 1a366685688 |
12 | 98b56835a9 |
13 | 49857b5659 |
14 | 2610bc113b |
15 | 1494da743c |
hex | bb56f7791 |
50288621457 has 4 divisors (see below), whose sum is σ = 67051495280. Its totient is φ = 33525747636.
The previous prime is 50288621437. The next prime is 50288621473. The reversal of 50288621457 is 75412688205.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 50288621457 - 27 = 50288621329 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (50288621437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8381436907 + ... + 8381436912.
It is an arithmetic number, because the mean of its divisors is an integer number (16762873820).
Almost surely, 250288621457 is an apocalyptic number.
It is an amenable number.
50288621457 is a deficient number, since it is larger than the sum of its proper divisors (16762873823).
50288621457 is a wasteful number, since it uses less digits than its factorization.
50288621457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16762873822.
The product of its (nonzero) digits is 1075200, while the sum is 48.
The spelling of 50288621457 in words is "fifty billion, two hundred eighty-eight million, six hundred twenty-one thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •