Base | Representation |
---|---|
bin | 101110100110000110… |
… | …101110001011100011 |
3 | 11210010202221110221102 |
4 | 232212012232023203 |
5 | 1304431020421011 |
6 | 34552322545015 |
7 | 3420553024430 |
oct | 564606561343 |
9 | 153122843842 |
10 | 50031420131 |
11 | 1a244483500 |
12 | 984350816b |
13 | 4944421214 |
14 | 25c898cb87 |
15 | 147c4ee73b |
hex | ba61ae2e3 |
50031420131 has 12 divisors (see below), whose sum is σ = 62849388336. Its totient is φ = 38985521520.
The previous prime is 50031420079. The next prime is 50031420143. The reversal of 50031420131 is 13102413005.
It is not a de Polignac number, because 50031420131 - 26 = 50031420067 is a prime.
It is a super-2 number, since 2×500314201312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (50031420161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29533640 + ... + 29535333.
It is an arithmetic number, because the mean of its divisors is an integer number (5237449028).
Almost surely, 250031420131 is an apocalyptic number.
50031420131 is a deficient number, since it is larger than the sum of its proper divisors (12817968205).
50031420131 is a wasteful number, since it uses less digits than its factorization.
50031420131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59069002 (or 59068991 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 20.
Adding to 50031420131 its reverse (13102413005), we get a palindrome (63133833136).
The spelling of 50031420131 in words is "fifty billion, thirty-one million, four hundred twenty thousand, one hundred thirty-one".
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