Base | Representation |
---|---|
bin | 101110100110000101… |
… | …101001110010111111 |
3 | 11210010202102020201100 |
4 | 232212011221302333 |
5 | 1304430432440111 |
6 | 34552312544143 |
7 | 3420550450005 |
oct | 564605516277 |
9 | 153122366640 |
10 | 50031140031 |
11 | 1a244302014 |
12 | 98433b2053 |
13 | 4944353892 |
14 | 25c8918a75 |
15 | 147c496756 |
hex | ba6169cbf |
50031140031 has 24 divisors (see below), whose sum is σ = 72439123536. Its totient is φ = 33274846080.
The previous prime is 50031140021. The next prime is 50031140077. The reversal of 50031140031 is 13004113005.
It is not a de Polignac number, because 50031140031 - 27 = 50031139903 is a prime.
It is a super-2 number, since 2×500311400312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 50031139986 and 50031140013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50031140021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7669051 + ... + 7675571.
It is an arithmetic number, because the mean of its divisors is an integer number (3018296814).
Almost surely, 250031140031 is an apocalyptic number.
50031140031 is a deficient number, since it is larger than the sum of its proper divisors (22407983505).
50031140031 is a wasteful number, since it uses less digits than its factorization.
50031140031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8423 (or 8420 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
Adding to 50031140031 its reverse (13004113005), we get a palindrome (63035253036).
The spelling of 50031140031 in words is "fifty billion, thirty-one million, one hundred forty thousand, thirty-one".
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