Base | Representation |
---|---|
bin | 111110101001010… |
… | …0111001110111101 |
3 | 12102111100020211212 |
4 | 1331102213032331 |
5 | 13301110000133 |
6 | 544325454205 |
7 | 103042654055 |
oct | 17522471675 |
9 | 5374306755 |
10 | 2102031293 |
11 | 9895a624a |
12 | 4a7b71365 |
13 | 27664c5cb |
14 | 15d258565 |
15 | c4819148 |
hex | 7d4a73bd |
2102031293 has 2 divisors, whose sum is σ = 2102031294. Its totient is φ = 2102031292.
The previous prime is 2102031271. The next prime is 2102031299. The reversal of 2102031293 is 3921302012.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1523965444 + 578065849 = 39038^2 + 24043^2 .
It is a cyclic number.
It is not a de Polignac number, because 2102031293 - 212 = 2102027197 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2102031299) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051015646 + 1051015647.
It is an arithmetic number, because the mean of its divisors is an integer number (1051015647).
Almost surely, 22102031293 is an apocalyptic number.
It is an amenable number.
2102031293 is a deficient number, since it is larger than the sum of its proper divisors (1).
2102031293 is an equidigital number, since it uses as much as digits as its factorization.
2102031293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 23.
The square root of 2102031293 is about 45847.9148162705. The cubic root of 2102031293 is about 1280.9919258186.
The spelling of 2102031293 in words is "two billion, one hundred two million, thirty-one thousand, two hundred ninety-three".
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