Base | Representation |
---|---|
bin | 111000111111011… |
… | …1001010011110111 |
3 | 11221021100120101100 |
4 | 1301332321103313 |
5 | 12404023004304 |
6 | 513431301143 |
7 | 65250251535 |
oct | 16176712367 |
9 | 4837316340 |
10 | 1912313079 |
11 | 8a14a6136 |
12 | 45451a7b3 |
13 | 246255201 |
14 | 141d91155 |
15 | b2d41439 |
hex | 71fb94f7 |
1912313079 has 6 divisors (see below), whose sum is σ = 2762230016. Its totient is φ = 1274875380.
The previous prime is 1912313059. The next prime is 1912313147. The reversal of 1912313079 is 9703132191.
It is a happy number.
It is not a de Polignac number, because 1912313079 - 25 = 1912313047 is a prime.
It is a super-2 number, since 2×19123130792 = 7313882624228920482, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1912313059) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106239607 + ... + 106239624.
Almost surely, 21912313079 is an apocalyptic number.
1912313079 is a deficient number, since it is larger than the sum of its proper divisors (849916937).
1912313079 is a wasteful number, since it uses less digits than its factorization.
1912313079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212479237 (or 212479234 counting only the distinct ones).
The product of its (nonzero) digits is 10206, while the sum is 36.
The square root of 1912313079 is about 43730.0020466498. The cubic root of 1912313079 is about 1241.2320997896.
The spelling of 1912313079 in words is "one billion, nine hundred twelve million, three hundred thirteen thousand, seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •