Base | Representation |
---|---|
bin | 11101001001001101… |
… | …110111000101110101 |
3 | 2222202212120021211202 |
4 | 131021031313011311 |
5 | 1003042021010430 |
6 | 22213104342245 |
7 | 2155321212203 |
oct | 351115670565 |
9 | 88685507752 |
10 | 31293141365 |
11 | 122a9187302 |
12 | 6094014985 |
13 | 2c4926b2c5 |
14 | 172c0a2073 |
15 | c32411d45 |
hex | 749377175 |
31293141365 has 8 divisors (see below), whose sum is σ = 37553643960. Its totient is φ = 25033263552.
The previous prime is 31293141353. The next prime is 31293141377. The reversal of 31293141365 is 56314139213.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (31293141353) and next prime (31293141377).
It can be written as a sum of positive squares in 4 ways, for example, as 8482778404 + 22810362961 = 92102^2 + 151031^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31293141365 - 28 = 31293141109 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37850 + ... + 253019.
It is an arithmetic number, because the mean of its divisors is an integer number (4694205495).
Almost surely, 231293141365 is an apocalyptic number.
It is an amenable number.
31293141365 is a deficient number, since it is larger than the sum of its proper divisors (6260502595).
31293141365 is a wasteful number, since it uses less digits than its factorization.
31293141365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 312391.
The product of its digits is 58320, while the sum is 38.
The spelling of 31293141365 in words is "thirty-one billion, two hundred ninety-three million, one hundred forty-one thousand, three hundred sixty-five".
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