Base | Representation |
---|---|
bin | 10000110100101000… |
… | …01101010010001001 |
3 | 212022102020122220011 |
4 | 20122110031102021 |
5 | 121444022030442 |
6 | 4052103031521 |
7 | 436543653253 |
oct | 103224152211 |
9 | 25272218804 |
10 | 9031439497 |
11 | 3915015193 |
12 | 190073b5a1 |
13 | b0c13a552 |
14 | 61967acd3 |
15 | 37cd3c117 |
hex | 21a50d489 |
9031439497 has 2 divisors, whose sum is σ = 9031439498. Its totient is φ = 9031439496.
The previous prime is 9031439449. The next prime is 9031439513. The reversal of 9031439497 is 7949341309.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8376642576 + 654796921 = 91524^2 + 25589^2 .
It is a cyclic number.
It is not a de Polignac number, because 9031439497 - 215 = 9031406729 is a prime.
It is a super-2 number, since 2×90314394972 (a number of 21 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 9031439497.
It is not a weakly prime, because it can be changed into another prime (9031439437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4515719748 + 4515719749.
It is an arithmetic number, because the mean of its divisors is an integer number (4515719749).
Almost surely, 29031439497 is an apocalyptic number.
It is an amenable number.
9031439497 is a deficient number, since it is larger than the sum of its proper divisors (1).
9031439497 is an equidigital number, since it uses as much as digits as its factorization.
9031439497 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 734832, while the sum is 49.
The square root of 9031439497 is about 95033.8860459784. The cubic root of 9031439497 is about 2082.5031114536.
The spelling of 9031439497 in words is "nine billion, thirty-one million, four hundred thirty-nine thousand, four hundred ninety-seven".
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