Base | Representation |
---|---|
bin | 101111011110001010… |
… | …001111011111111011 |
3 | 11212120022120010200210 |
4 | 233132022033133323 |
5 | 1313342244222011 |
6 | 35225520002203 |
7 | 3453062502423 |
oct | 573612173773 |
9 | 155508503623 |
10 | 50971867131 |
11 | 1a687321229 |
12 | 9a66460363 |
13 | 4a64209a33 |
14 | 2677837483 |
15 | 14d4d6a6a6 |
hex | bde28f7fb |
50971867131 has 8 divisors (see below), whose sum is σ = 71539462720. Its totient is φ = 32192758152.
The previous prime is 50971867103. The next prime is 50971867153. The reversal of 50971867131 is 13176817905.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50971867131 - 25 = 50971867099 is a prime.
It is a super-2 number, since 2×509718671312 (a number of 22 digits) contains 22 as substring.
It is the 225770-th Hogben number.
It is not an unprimeable number, because it can be changed into a prime (50971867231) by changing a digit.
It is a nontrivial repunit in base 225769.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447121585 + ... + 447121698.
It is an arithmetic number, because the mean of its divisors is an integer number (8942432840).
Almost surely, 250971867131 is an apocalyptic number.
50971867131 is a deficient number, since it is larger than the sum of its proper divisors (20567595589).
50971867131 is a wasteful number, since it uses less digits than its factorization.
50971867131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 894243305.
The product of its (nonzero) digits is 317520, while the sum is 48.
The spelling of 50971867131 in words is "fifty billion, nine hundred seventy-one million, eight hundred sixty-seven thousand, one hundred thirty-one".
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