Base | Representation |
---|---|
bin | 1101101011100110… |
… | …11110011000001001 |
3 | 200221220011121222002 |
4 | 12311303132120021 |
5 | 110020323342121 |
6 | 3212503440345 |
7 | 350006431025 |
oct | 66563363011 |
9 | 20856147862 |
10 | 7345137161 |
11 | 312a15829a |
12 | 150ba560b5 |
13 | 90097890b |
14 | 4d971d385 |
15 | 2cec91e0b |
hex | 1b5cde609 |
7345137161 has 2 divisors, whose sum is σ = 7345137162. Its totient is φ = 7345137160.
The previous prime is 7345137143. The next prime is 7345137169. The reversal of 7345137161 is 1617315437.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6420977161 + 924160000 = 80131^2 + 30400^2 .
It is a cyclic number.
It is not a de Polignac number, because 7345137161 - 210 = 7345136137 is a prime.
It is a super-3 number, since 3×73451371613 (a number of 31 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (7345137169) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672568580 + 3672568581.
It is an arithmetic number, because the mean of its divisors is an integer number (3672568581).
Almost surely, 27345137161 is an apocalyptic number.
It is an amenable number.
7345137161 is a deficient number, since it is larger than the sum of its proper divisors (1).
7345137161 is an equidigital number, since it uses as much as digits as its factorization.
7345137161 is an evil number, because the sum of its binary digits is even.
The product of its digits is 52920, while the sum is 38.
The square root of 7345137161 is about 85703.7756519513. The cubic root of 7345137161 is about 1943.8674013021.
The spelling of 7345137161 in words is "seven billion, three hundred forty-five million, one hundred thirty-seven thousand, one hundred sixty-one".
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