Base | Representation |
---|---|
bin | 11100011001001101… |
… | …011010101011010100 |
3 | 2220200202000120112102 |
4 | 130121031122223110 |
5 | 444414323443422 |
6 | 22001133341232 |
7 | 2126341222001 |
oct | 343115325324 |
9 | 86622016472 |
10 | 30487718612 |
11 | 11a2558226a |
12 | 5aaa337818 |
13 | 2b4b43a0b0 |
14 | 16931248a8 |
15 | bd6868192 |
hex | 71935aad4 |
30487718612 has 12 divisors (see below), whose sum is σ = 57457623636. Its totient is φ = 14071254720.
The previous prime is 30487718593. The next prime is 30487718663. The reversal of 30487718612 is 21681778403.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 8501946436 + 21985772176 = 92206^2 + 148276^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293151089 + ... + 293151192.
It is an arithmetic number, because the mean of its divisors is an integer number (4788135303).
Almost surely, 230487718612 is an apocalyptic number.
It is an amenable number.
30487718612 is a deficient number, since it is larger than the sum of its proper divisors (26969905024).
30487718612 is a wasteful number, since it uses less digits than its factorization.
30487718612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586302298 (or 586302296 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 47.
The spelling of 30487718612 in words is "thirty billion, four hundred eighty-seven million, seven hundred eighteen thousand, six hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •