Base | Representation |
---|---|
bin | 1010110110010011… |
… | …1001100011011001 |
3 | 21111221200121010102 |
4 | 2231210321203121 |
5 | 21431001200124 |
6 | 1200545025145 |
7 | 132110464454 |
oct | 25544714331 |
9 | 7457617112 |
10 | 2912131289 |
11 | 1264905381 |
12 | 6933251b5 |
13 | 37542a712 |
14 | 1d8a9249b |
15 | 1209d8aae |
hex | ad9398d9 |
2912131289 has 8 divisors (see below), whose sum is σ = 3010140672. Its totient is φ = 2814376320.
The previous prime is 2912131279. The next prime is 2912131301. The reversal of 2912131289 is 9821312192.
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 2912131289 - 216 = 2912065753 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2912131219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40184 + ... + 86249.
It is an arithmetic number, because the mean of its divisors is an integer number (376267584).
Almost surely, 22912131289 is an apocalyptic number.
It is an amenable number.
2912131289 is a deficient number, since it is larger than the sum of its proper divisors (98009383).
2912131289 is a wasteful number, since it uses less digits than its factorization.
2912131289 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127207.
The product of its digits is 15552, while the sum is 38.
The square root of 2912131289 is about 53964.1667127363. The cubic root of 2912131289 is about 1428.0288568749.
The spelling of 2912131289 in words is "two billion, nine hundred twelve million, one hundred thirty-one thousand, two hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •