Base | Representation |
---|---|
bin | 10110111101111000111111… |
… | …00110001111000100011011 |
3 | 20121211020100210212112021100 |
4 | 23132330133212033010123 |
5 | 23104433320420104210 |
6 | 255225411103242443 |
7 | 13431604143314616 |
oct | 1336743746170433 |
9 | 217736323775240 |
10 | 50505050550555 |
11 | 1510208740aa07 |
12 | 57b82732a9423 |
13 | 22247b501b4b3 |
14 | c686594cb17d |
15 | 5c8b43d825c0 |
hex | 2def1f98f11b |
50505050550555 has 36 divisors (see below), whose sum is σ = 87650215473600. Its totient is φ = 26902797844320.
The previous prime is 50505050550467. The next prime is 50505050550557. The reversal of 50505050550555 is 55505505050505.
It is not a de Polignac number, because 50505050550555 - 29 = 50505050550043 is a prime.
It is a super-2 number, since 2×505050505505552 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 50505050550555.
It is not an unprimeable number, because it can be changed into a prime (50505050550557) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28744246 + ... + 30450644.
It is an arithmetic number, because the mean of its divisors is an integer number (2434728207600).
Almost surely, 250505050550555 is an apocalyptic number.
50505050550555 is a deficient number, since it is larger than the sum of its proper divisors (37145164923045).
50505050550555 is an equidigital number, since it uses as much as digits as its factorization.
50505050550555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1708032 (or 1707218 counting only the distinct ones).
The product of its (nonzero) digits is 1953125, while the sum is 45.
The spelling of 50505050550555 in words is "fifty trillion, five hundred five billion, fifty million, five hundred fifty thousand, five hundred fifty-five".
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