Base | Representation |
---|---|
bin | 100110111110100… |
… | …1111100110011101 |
3 | 10101011001012221111 |
4 | 1031331033212131 |
5 | 10134310302232 |
6 | 333440502021 |
7 | 44260653313 |
oct | 11575174635 |
9 | 3334035844 |
10 | 1307900317 |
11 | 611303959 |
12 | 30601a911 |
13 | 17ac72c19 |
14 | c59ba0b3 |
15 | 79c51047 |
hex | 4df4f99d |
1307900317 has 2 divisors, whose sum is σ = 1307900318. Its totient is φ = 1307900316.
The previous prime is 1307900291. The next prime is 1307900333. The reversal of 1307900317 is 7130097031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 923308996 + 384591321 = 30386^2 + 19611^2 .
It is an emirp because it is prime and its reverse (7130097031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1307900317 - 219 = 1307376029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1307900357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653950158 + 653950159.
It is an arithmetic number, because the mean of its divisors is an integer number (653950159).
Almost surely, 21307900317 is an apocalyptic number.
It is an amenable number.
1307900317 is a deficient number, since it is larger than the sum of its proper divisors (1).
1307900317 is an equidigital number, since it uses as much as digits as its factorization.
1307900317 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3969, while the sum is 31.
The square root of 1307900317 is about 36164.9044931685. The cubic root of 1307900317 is about 1093.5992784442.
Adding to 1307900317 its reverse (7130097031), we get a palindrome (8437997348).
The spelling of 1307900317 in words is "one billion, three hundred seven million, nine hundred thousand, three hundred seventeen".
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