Base | Representation |
---|---|
bin | 1011011110100001… |
… | …0111101101000101 |
3 | 21221201002112110022 |
4 | 2313220113231011 |
5 | 22302142012011 |
6 | 1225412304525 |
7 | 136226324132 |
oct | 26750275505 |
9 | 7851075408 |
10 | 3080813381 |
11 | 1341047768 |
12 | 71b912145 |
13 | 3a136abc9 |
14 | 213241589 |
15 | 1307088db |
hex | b7a17b45 |
3080813381 has 2 divisors, whose sum is σ = 3080813382. Its totient is φ = 3080813380.
The previous prime is 3080813377. The next prime is 3080813413. The reversal of 3080813381 is 1833180803.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2589792100 + 491021281 = 50890^2 + 22159^2 .
It is an emirp because it is prime and its reverse (1833180803) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3080813381 - 22 = 3080813377 is a prime.
It is a super-2 number, since 2×30808133812 = 18982822177097302322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3080813081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540406690 + 1540406691.
It is an arithmetic number, because the mean of its divisors is an integer number (1540406691).
Almost surely, 23080813381 is an apocalyptic number.
It is an amenable number.
3080813381 is a deficient number, since it is larger than the sum of its proper divisors (1).
3080813381 is an equidigital number, since it uses as much as digits as its factorization.
3080813381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 3080813381 is about 55505.0752724469. The cubic root of 3080813381 is about 1455.0853358231.
The spelling of 3080813381 in words is "three billion, eighty million, eight hundred thirteen thousand, three hundred eighty-one".
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