Base | Representation |
---|---|
bin | 1010011101011101… |
… | …1100001110111101 |
3 | 21020200122010120212 |
4 | 2213113130032331 |
5 | 21222313040104 |
6 | 1142343522205 |
7 | 126404045036 |
oct | 24727341675 |
9 | 7220563525 |
10 | 2807940029 |
11 | 12110109a4 |
12 | 664459365 |
13 | 35997a29b |
14 | 1c8ccda8d |
15 | 1167a736e |
hex | a75dc3bd |
2807940029 has 2 divisors, whose sum is σ = 2807940030. Its totient is φ = 2807940028.
The previous prime is 2807940007. The next prime is 2807940043. The reversal of 2807940029 is 9200497082.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2723796100 + 84143929 = 52190^2 + 9173^2 .
It is a cyclic number.
It is not a de Polignac number, because 2807940029 - 216 = 2807874493 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2807942029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403970014 + 1403970015.
It is an arithmetic number, because the mean of its divisors is an integer number (1403970015).
Almost surely, 22807940029 is an apocalyptic number.
It is an amenable number.
2807940029 is a deficient number, since it is larger than the sum of its proper divisors (1).
2807940029 is an equidigital number, since it uses as much as digits as its factorization.
2807940029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 2807940029 is about 52989.9993300623. Note that the first 3 decimals coincide. The cubic root of 2807940029 is about 1410.7907689789.
The spelling of 2807940029 in words is "two billion, eight hundred seven million, nine hundred forty thousand, twenty-nine".
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