Base | Representation |
---|---|
bin | 1011010010101001… |
… | …0100110000011101 |
3 | 21211020100110001011 |
4 | 2310222110300131 |
5 | 22201413301244 |
6 | 1220432415221 |
7 | 135053011024 |
oct | 26452246035 |
9 | 7736313034 |
10 | 3030993949 |
11 | 1315a0a685 |
12 | 7070a7511 |
13 | 393c46a59 |
14 | 20a7938bb |
15 | 12b167434 |
hex | b4a94c1d |
3030993949 has 2 divisors, whose sum is σ = 3030993950. Its totient is φ = 3030993948.
The previous prime is 3030993947. The next prime is 3030993967. The reversal of 3030993949 is 9493990303.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1593446724 + 1437547225 = 39918^2 + 37915^2 .
It is a cyclic number.
It is not a de Polignac number, because 3030993949 - 21 = 3030993947 is a prime.
It is a super-2 number, since 2×30309939492 = 18373848637749229202, which contains 22 as substring.
Together with 3030993947, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3030993947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515496974 + 1515496975.
It is an arithmetic number, because the mean of its divisors is an integer number (1515496975).
Almost surely, 23030993949 is an apocalyptic number.
It is an amenable number.
3030993949 is a deficient number, since it is larger than the sum of its proper divisors (1).
3030993949 is an equidigital number, since it uses as much as digits as its factorization.
3030993949 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 708588, while the sum is 49.
The square root of 3030993949 is about 55054.4634793583. The cubic root of 3030993949 is about 1447.1993422024.
The spelling of 3030993949 in words is "three billion, thirty million, nine hundred ninety-three thousand, nine hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •