Base | Representation |
---|---|
bin | 111000111010110001… |
… | …0101001111000001101 |
3 | 102200111111101101102111 |
4 | 1301311202221320031 |
5 | 4000312130243424 |
6 | 132052512424021 |
7 | 11555000142562 |
oct | 1616542517015 |
9 | 380444341374 |
10 | 122231102989 |
11 | 479242a8896 |
12 | 1b832b48011 |
13 | b6ac4b8a58 |
14 | 5cb779c869 |
15 | 32a5cb8194 |
hex | 1c758a9e0d |
122231102989 has 2 divisors, whose sum is σ = 122231102990. Its totient is φ = 122231102988.
The previous prime is 122231102957. The next prime is 122231103019. The reversal of 122231102989 is 989201132221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 63671942889 + 58559160100 = 252333^2 + 241990^2 .
It is an emirp because it is prime and its reverse (989201132221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122231102989 - 25 = 122231102957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122231100989) 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, 61115551494 + 61115551495.
It is an arithmetic number, because the mean of its divisors is an integer number (61115551495).
Almost surely, 2122231102989 is an apocalyptic number.
It is an amenable number.
122231102989 is a deficient number, since it is larger than the sum of its proper divisors (1).
122231102989 is an equidigital number, since it uses as much as digits as its factorization.
122231102989 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31104, while the sum is 40.
The spelling of 122231102989 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred two thousand, nine hundred eighty-nine".
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