Base | Representation |
---|---|
bin | 11101000100100001… |
… | …101110001100110001 |
3 | 2222120101111221200202 |
4 | 131010201232030301 |
5 | 1002411400233440 |
6 | 22201214124545 |
7 | 2153344355435 |
oct | 350441561461 |
9 | 88511457622 |
10 | 31214461745 |
11 | 12268828125 |
12 | 60717b0755 |
13 | 2c35b80c0c |
14 | 17218609c5 |
15 | c2a56e615 |
hex | 74486e331 |
31214461745 has 8 divisors (see below), whose sum is σ = 38328455616. Its totient is φ = 24390835056.
The previous prime is 31214461739. The next prime is 31214461801. The reversal of 31214461745 is 54716441213.
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 31214461745 - 210 = 31214460721 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31214461699 and 31214461708.
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, 72591557 + ... + 72591986.
It is an arithmetic number, because the mean of its divisors is an integer number (4791056952).
Almost surely, 231214461745 is an apocalyptic number.
It is an amenable number.
31214461745 is a deficient number, since it is larger than the sum of its proper divisors (7113993871).
31214461745 is a wasteful number, since it uses less digits than its factorization.
31214461745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145183591.
The product of its digits is 80640, while the sum is 38.
The spelling of 31214461745 in words is "thirty-one billion, two hundred fourteen million, four hundred sixty-one thousand, seven hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •