Base | Representation |
---|---|
bin | 101110101011111111… |
… | …000100110001101111 |
3 | 11210101122120212020100 |
4 | 232223333010301233 |
5 | 1310131300010311 |
6 | 35010205322143 |
7 | 3423161432220 |
oct | 565377046157 |
9 | 153348525210 |
10 | 50130078831 |
11 | 1a295139218 |
12 | 9870566353 |
13 | 495b9b5351 |
14 | 25d7b11247 |
15 | 1485edba56 |
hex | babfc4c6f |
50130078831 has 24 divisors (see below), whose sum is σ = 84111052064. Its totient is φ = 28176154560.
The previous prime is 50130078829. The next prime is 50130078833. The reversal of 50130078831 is 13887003105.
50130078831 is a `hidden beast` number, since 501 + 3 + 0 + 0 + 78 + 83 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (50130078829) and next prime (50130078833).
It is not a de Polignac number, because 50130078831 - 21 = 50130078829 is a prime.
It is a super-2 number, since 2×501300788312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50130078833) 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 23 ways as a sum of consecutive naturals, for example, 6518416 + ... + 6526101.
Almost surely, 250130078831 is an apocalyptic number.
50130078831 is a deficient number, since it is larger than the sum of its proper divisors (33980973233).
50130078831 is a wasteful number, since it uses less digits than its factorization.
50130078831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13044591 (or 13044588 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The spelling of 50130078831 in words is "fifty billion, one hundred thirty million, seventy-eight thousand, eight hundred thirty-one".
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