Base | Representation |
---|---|
bin | 111001010001001001… |
… | …1000110011110001001 |
3 | 102202102211022221012012 |
4 | 1302202103012132021 |
5 | 4003331343004041 |
6 | 132255215025305 |
7 | 11612415520322 |
oct | 1624223063611 |
9 | 382384287165 |
10 | 122982000521 |
11 | 4817a151266 |
12 | 1ba0250b235 |
13 | b79bc38c13 |
14 | 5d493c5449 |
15 | 32ebb913eb |
hex | 1ca24c6789 |
122982000521 has 2 divisors, whose sum is σ = 122982000522. Its totient is φ = 122982000520.
The previous prime is 122982000499. The next prime is 122982000553. The reversal of 122982000521 is 125000289221.
It is a happy number.
It is an a-pointer prime, because the next prime (122982000553) can be obtained adding 122982000521 to its sum of digits (32).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 79910809225 + 43071191296 = 282685^2 + 207536^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122982000521 is a prime.
It is not a weakly prime, because it can be changed into another prime (122982000571) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61491000260 + 61491000261.
It is an arithmetic number, because the mean of its divisors is an integer number (61491000261).
Almost surely, 2122982000521 is an apocalyptic number.
It is an amenable number.
122982000521 is a deficient number, since it is larger than the sum of its proper divisors (1).
122982000521 is an equidigital number, since it uses as much as digits as its factorization.
122982000521 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5760, while the sum is 32.
Adding to 122982000521 its reverse (125000289221), we get a palindrome (247982289742).
The spelling of 122982000521 in words is "one hundred twenty-two billion, nine hundred eighty-two million, five hundred twenty-one", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •