Base | Representation |
---|---|
bin | 1011101010010100… |
… | …1100100100011011 |
3 | 22002011020101011001 |
4 | 2322211030210123 |
5 | 22402330003422 |
6 | 1234341245431 |
7 | 140400135634 |
oct | 27245144433 |
9 | 8064211131 |
10 | 3130312987 |
11 | 1366a8652a |
12 | 734403877 |
13 | 3ab6ac609 |
14 | 219a4888b |
15 | 134c35227 |
hex | ba94c91b |
3130312987 has 2 divisors, whose sum is σ = 3130312988. Its totient is φ = 3130312986.
The previous prime is 3130312967. The next prime is 3130313051. The reversal of 3130312987 is 7892130313.
3130312987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 3130312987 - 27 = 3130312859 is a prime.
It is not a weakly prime, because it can be changed into another prime (3130312907) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565156493 + 1565156494.
It is an arithmetic number, because the mean of its divisors is an integer number (1565156494).
Almost surely, 23130312987 is an apocalyptic number.
3130312987 is a deficient number, since it is larger than the sum of its proper divisors (1).
3130312987 is an equidigital number, since it uses as much as digits as its factorization.
3130312987 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 3130312987 is about 55949.2000568373. The cubic root of 3130312987 is about 1462.8369476351.
The spelling of 3130312987 in words is "three billion, one hundred thirty million, three hundred twelve thousand, nine hundred eighty-seven".
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