Base | Representation |
---|---|
bin | 101100101011001011… |
… | …110101011101111011 |
3 | 11120211001102222011112 |
4 | 230223023311131323 |
5 | 1241220101210011 |
6 | 34011533350535 |
7 | 3315502105361 |
oct | 545313653573 |
9 | 146731388145 |
10 | 47969163131 |
11 | 1938638427a |
12 | 936893844b |
13 | 46a60b97c6 |
14 | 2470b29631 |
15 | 13ab44058b |
hex | b2b2f577b |
47969163131 has 2 divisors, whose sum is σ = 47969163132. Its totient is φ = 47969163130.
The previous prime is 47969163113. The next prime is 47969163139. The reversal of 47969163131 is 13136196974.
It is a happy number.
Together with previous prime (47969163113) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-47969163131 is a prime.
It is a super-2 number, since 2×479691631312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 47969163131.
It is not a weakly prime, because it can be changed into another prime (47969163139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23984581565 + 23984581566.
It is an arithmetic number, because the mean of its divisors is an integer number (23984581566).
Almost surely, 247969163131 is an apocalyptic number.
47969163131 is a deficient number, since it is larger than the sum of its proper divisors (1).
47969163131 is an equidigital number, since it uses as much as digits as its factorization.
47969163131 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 734832, while the sum is 50.
The spelling of 47969163131 in words is "forty-seven billion, nine hundred sixty-nine million, one hundred sixty-three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •