Base | Representation |
---|---|
bin | 101111001100100101… |
… | …110000110001100111 |
3 | 11211210202212222110021 |
4 | 233030211300301213 |
5 | 1312241313411211 |
6 | 35140345540011 |
7 | 3442553112151 |
oct | 571445606147 |
9 | 154722788407 |
10 | 50677091431 |
11 | 1a54599594a |
12 | 99a37a4607 |
13 | 4a1811ab45 |
14 | 264a623ad1 |
15 | 14b903e771 |
hex | bcc970c67 |
50677091431 has 4 divisors (see below), whose sum is σ = 50755905592. Its totient is φ = 50598277272.
The previous prime is 50677091411. The next prime is 50677091447. The reversal of 50677091431 is 13419077605.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13419077605 = 5 ⋅2683815521.
It is a cyclic number.
It is not a de Polignac number, because 50677091431 - 219 = 50676567143 is a prime.
It is a super-2 number, since 2×506770914312 (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 (50677091411) 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 3 ways as a sum of consecutive naturals, for example, 39406116 + ... + 39407401.
It is an arithmetic number, because the mean of its divisors is an integer number (12688976398).
Almost surely, 250677091431 is an apocalyptic number.
50677091431 is a deficient number, since it is larger than the sum of its proper divisors (78814161).
50677091431 is an equidigital number, since it uses as much as digits as its factorization.
50677091431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78814160.
The product of its (nonzero) digits is 158760, while the sum is 43.
The spelling of 50677091431 in words is "fifty billion, six hundred seventy-seven million, ninety-one thousand, four hundred thirty-one".
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