Base | Representation |
---|---|
bin | 1101010001000101… |
… | …00111010001000001 |
3 | 200101101110020122002 |
4 | 12220202213101001 |
5 | 104041342111223 |
6 | 3134434153345 |
7 | 341335133324 |
oct | 65042472101 |
9 | 20341406562 |
10 | 7122613313 |
11 | 3025590892 |
12 | 1469422855 |
13 | 8968364ba |
14 | 4b7d567bb |
15 | 2ba488e28 |
hex | 1a88a7441 |
7122613313 has 2 divisors, whose sum is σ = 7122613314. Its totient is φ = 7122613312.
The previous prime is 7122613283. The next prime is 7122613339. The reversal of 7122613313 is 3133162217.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7007866369 + 114746944 = 83713^2 + 10712^2 .
It is an emirp because it is prime and its reverse (3133162217) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7122613313 - 26 = 7122613249 is a prime.
It is not a weakly prime, because it can be changed into another prime (7122613363) 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, 3561306656 + 3561306657.
It is an arithmetic number, because the mean of its divisors is an integer number (3561306657).
Almost surely, 27122613313 is an apocalyptic number.
It is an amenable number.
7122613313 is a deficient number, since it is larger than the sum of its proper divisors (1).
7122613313 is an equidigital number, since it uses as much as digits as its factorization.
7122613313 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4536, while the sum is 29.
The square root of 7122613313 is about 84395.5763828887. The cubic root of 7122613313 is about 1924.0356839213.
The spelling of 7122613313 in words is "seven billion, one hundred twenty-two million, six hundred thirteen thousand, three hundred thirteen".
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