Base | Representation |
---|---|
bin | 11101001100100101… |
… | …000001011110011111 |
3 | 2222220210200212220012 |
4 | 131030211001132133 |
5 | 1003200440413423 |
6 | 22222441313435 |
7 | 2156604506660 |
oct | 351445013637 |
9 | 88823625805 |
10 | 31349544863 |
11 | 1232800106a |
12 | 60aaa9587b |
13 | 2c57b59260 |
14 | 1735785367 |
15 | c37354078 |
hex | 74c94179f |
31349544863 has 8 divisors (see below), whose sum is σ = 38584055328. Its totient is φ = 24804035424.
The previous prime is 31349544857. The next prime is 31349544887. The reversal of 31349544863 is 36844594313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31349544863 - 28 = 31349544607 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31349546863) 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 7 ways as a sum of consecutive naturals, for example, 172250156 + ... + 172250337.
It is an arithmetic number, because the mean of its divisors is an integer number (4823006916).
Almost surely, 231349544863 is an apocalyptic number.
31349544863 is a deficient number, since it is larger than the sum of its proper divisors (7234510465).
31349544863 is a wasteful number, since it uses less digits than its factorization.
31349544863 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 344500513.
The product of its digits is 3732480, while the sum is 50.
The spelling of 31349544863 in words is "thirty-one billion, three hundred forty-nine million, five hundred forty-four thousand, eight hundred sixty-three".
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