Base | Representation |
---|---|
bin | 100100011010111… |
… | …1011110000111111 |
3 | 10011011121000021021 |
4 | 1020311323300333 |
5 | 10000324113413 |
6 | 321133445011 |
7 | 42166442611 |
oct | 11065736077 |
9 | 3134530237 |
10 | 1222097983 |
11 | 57792a337 |
12 | 2a1340767 |
13 | 166260802 |
14 | b8442db1 |
15 | 7245318d |
hex | 48d7bc3f |
1222097983 has 2 divisors, whose sum is σ = 1222097984. Its totient is φ = 1222097982.
The previous prime is 1222097957. The next prime is 1222097999. The reversal of 1222097983 is 3897902221.
It is a strong prime.
It is an emirp because it is prime and its reverse (3897902221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1222097983 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1222097953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611048991 + 611048992.
It is an arithmetic number, because the mean of its divisors is an integer number (611048992).
Almost surely, 21222097983 is an apocalyptic number.
1222097983 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222097983 is an equidigital number, since it uses as much as digits as its factorization.
1222097983 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108864, while the sum is 43.
The square root of 1222097983 is about 34958.5180320905. The cubic root of 1222097983 is about 1069.1418813555.
The spelling of 1222097983 in words is "one billion, two hundred twenty-two million, ninety-seven thousand, nine hundred eighty-three".
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