Base | Representation |
---|---|
bin | 10110101111101010… |
… | …01001110110100011 |
3 | 1011112000002112210212 |
4 | 23113311021312203 |
5 | 200002002020034 |
6 | 5335403244335 |
7 | 611412350453 |
oct | 132765116643 |
9 | 34460075725 |
10 | 12210970019 |
11 | 51a6857566 |
12 | 24495196ab |
13 | 11c7a90061 |
14 | 83ba57d63 |
15 | 4b70452ce |
hex | 2d7d49da3 |
12210970019 has 2 divisors, whose sum is σ = 12210970020. Its totient is φ = 12210970018.
The previous prime is 12210969973. The next prime is 12210970049. The reversal of 12210970019 is 91007901221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12210970019 - 220 = 12209921443 is a prime.
It is a super-2 number, since 2×122109700192 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12210970049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105485009 + 6105485010.
It is an arithmetic number, because the mean of its divisors is an integer number (6105485010).
Almost surely, 212210970019 is an apocalyptic number.
12210970019 is a deficient number, since it is larger than the sum of its proper divisors (1).
12210970019 is an equidigital number, since it uses as much as digits as its factorization.
12210970019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2268, while the sum is 32.
The spelling of 12210970019 in words is "twelve billion, two hundred ten million, nine hundred seventy thousand, nineteen".
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