Base | Representation |
---|---|
bin | 111110101011100… |
… | …0100100100001001 |
3 | 12102120112122000122 |
4 | 1331113010210021 |
5 | 13301404400014 |
6 | 544410513025 |
7 | 103055622311 |
oct | 17527044411 |
9 | 5376478018 |
10 | 2103200009 |
11 | 98a224329 |
12 | 4a8435775 |
13 | 27696b561 |
14 | 15d480441 |
15 | c499a58e |
hex | 7d5c4909 |
2103200009 has 2 divisors, whose sum is σ = 2103200010. Its totient is φ = 2103200008.
The previous prime is 2103199993. The next prime is 2103200023. The reversal of 2103200009 is 9000023012.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1709574409 + 393625600 = 41347^2 + 19840^2 .
It is a cyclic number.
It is not a de Polignac number, because 2103200009 - 24 = 2103199993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2103200009.
It is not a weakly prime, because it can be changed into another prime (2103203009) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051600004 + 1051600005.
It is an arithmetic number, because the mean of its divisors is an integer number (1051600005).
Almost surely, 22103200009 is an apocalyptic number.
It is an amenable number.
2103200009 is a deficient number, since it is larger than the sum of its proper divisors (1).
2103200009 is an equidigital number, since it uses as much as digits as its factorization.
2103200009 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 2103200009 is about 45860.6586193439. The cubic root of 2103200009 is about 1281.2292896149.
The spelling of 2103200009 in words is "two billion, one hundred three million, two hundred thousand, nine".
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