Base | Representation |
---|---|
bin | 111110110101010… |
… | …1011101000001011 |
3 | 12102221012210210100 |
4 | 1331222223220023 |
5 | 13304213400442 |
6 | 545113020443 |
7 | 103150413012 |
oct | 17552535013 |
9 | 5387183710 |
10 | 2108340747 |
11 | 992115677 |
12 | 4aa0b4723 |
13 | 277a4b406 |
14 | 16001ba79 |
15 | c516384c |
hex | 7daaba0b |
2108340747 has 24 divisors (see below), whose sum is σ = 3179824128. Its totient is φ = 1343588400.
The previous prime is 2108340737. The next prime is 2108340763. The reversal of 2108340747 is 7470438012.
It is a happy number.
It is not a de Polignac number, because 2108340747 - 215 = 2108307979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2108340737) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534372 + ... + 538302.
It is an arithmetic number, because the mean of its divisors is an integer number (132492672).
Almost surely, 22108340747 is an apocalyptic number.
2108340747 is a deficient number, since it is larger than the sum of its proper divisors (1071483381).
2108340747 is a wasteful number, since it uses less digits than its factorization.
2108340747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6551 (or 6548 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 2108340747 is about 45916.6717761643. The cubic root of 2108340747 is about 1282.2723200812.
Adding to 2108340747 its reverse (7470438012), we get a palindrome (9578778759).
The spelling of 2108340747 in words is "two billion, one hundred eight million, three hundred forty thousand, seven hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •