Base | Representation |
---|---|
bin | 111111010001010… |
… | …0000010110011011 |
3 | 12110221202021200121 |
4 | 1332202200112123 |
5 | 13321440141434 |
6 | 550354414111 |
7 | 103415662243 |
oct | 17642402633 |
9 | 5427667617 |
10 | 2122974619 |
11 | 99a400287 |
12 | 4b2b91337 |
13 | 27aaa31cc |
14 | 161d4ab23 |
15 | c65a47b4 |
hex | 7e8a059b |
2122974619 has 2 divisors, whose sum is σ = 2122974620. Its totient is φ = 2122974618.
The previous prime is 2122974617. The next prime is 2122974647. The reversal of 2122974619 is 9164792212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2122974619 - 21 = 2122974617 is a prime.
It is a super-2 number, since 2×21229746192 = 9014042465836390322, which contains 22 as substring.
Together with 2122974617, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2122974613) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061487309 + 1061487310.
It is an arithmetic number, because the mean of its divisors is an integer number (1061487310).
Almost surely, 22122974619 is an apocalyptic number.
2122974619 is a deficient number, since it is larger than the sum of its proper divisors (1).
2122974619 is an equidigital number, since it uses as much as digits as its factorization.
2122974619 is an evil number, because the sum of its binary digits is even.
The product of its digits is 108864, while the sum is 43.
The square root of 2122974619 is about 46075.7487079700. The cubic root of 2122974619 is about 1285.2322086375.
The spelling of 2122974619 in words is "two billion, one hundred twenty-two million, nine hundred seventy-four thousand, six hundred nineteen".
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