Base | Representation |
---|---|
bin | 1001010001101110… |
… | …0010010110101001 |
3 | 20102112211122002102 |
4 | 2110123202112221 |
5 | 20100000342234 |
6 | 1051034343145 |
7 | 115465514036 |
oct | 22433422651 |
9 | 6375748072 |
10 | 2490246569 |
11 | 1068752118 |
12 | 595b8aab5 |
13 | 308bc5ba5 |
14 | 198a3238d |
15 | e8950c7e |
hex | 946e25a9 |
2490246569 has 2 divisors, whose sum is σ = 2490246570. Its totient is φ = 2490246568.
The previous prime is 2490246511. The next prime is 2490246587. The reversal of 2490246569 is 9656420942.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1600000000 + 890246569 = 40000^2 + 29837^2 .
It is a cyclic number.
It is not a de Polignac number, because 2490246569 - 216 = 2490181033 is a prime.
It is a super-2 number, since 2×24902465692 = 12402655948832543522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2490246589) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245123284 + 1245123285.
It is an arithmetic number, because the mean of its divisors is an integer number (1245123285).
Almost surely, 22490246569 is an apocalyptic number.
It is an amenable number.
2490246569 is a deficient number, since it is larger than the sum of its proper divisors (1).
2490246569 is an equidigital number, since it uses as much as digits as its factorization.
2490246569 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 933120, while the sum is 47.
The square root of 2490246569 is about 49902.3703745624. The cubic root of 2490246569 is about 1355.4415156836.
The spelling of 2490246569 in words is "two billion, four hundred ninety million, two hundred forty-six thousand, five hundred sixty-nine".
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