Base | Representation |
---|---|
bin | 1010110001000111… |
… | …1010011010010001 |
3 | 21110102202100122102 |
4 | 2230101322122101 |
5 | 21404414024344 |
6 | 1154450450145 |
7 | 131424540443 |
oct | 25421723221 |
9 | 7412670572 |
10 | 2890376849 |
11 | 12535a69a8 |
12 | 687b93955 |
13 | 370a81879 |
14 | 1d5c2c493 |
15 | 11db3ce4e |
hex | ac47a691 |
2890376849 has 2 divisors, whose sum is σ = 2890376850. Its totient is φ = 2890376848.
The previous prime is 2890376831. The next prime is 2890376861. The reversal of 2890376849 is 9486730982.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2506804624 + 383572225 = 50068^2 + 19585^2 .
It is a cyclic number.
It is not a de Polignac number, because 2890376849 - 228 = 2621941393 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2890376794 and 2890376803.
It is not a weakly prime, because it can be changed into another prime (2890378849) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445188424 + 1445188425.
It is an arithmetic number, because the mean of its divisors is an integer number (1445188425).
Almost surely, 22890376849 is an apocalyptic number.
It is an amenable number.
2890376849 is a deficient number, since it is larger than the sum of its proper divisors (1).
2890376849 is an equidigital number, since it uses as much as digits as its factorization.
2890376849 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5225472, while the sum is 56.
The square root of 2890376849 is about 53762.2251120617. The cubic root of 2890376849 is about 1424.4640395847.
The spelling of 2890376849 in words is "two billion, eight hundred ninety million, three hundred seventy-six thousand, eight hundred forty-nine".
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