Base | Representation |
---|---|
bin | 1101101100101001001100… |
… | …00011111011101110000001 |
3 | 10221122120012022001220010002 |
4 | 12312110212003323232001 |
5 | 12422001302004241342 |
6 | 144021301503245345 |
7 | 6226121340240143 |
oct | 666244603735601 |
9 | 127576168056102 |
10 | 30121244212097 |
11 | 966339110a135 |
12 | 34658478a9855 |
13 | 13a656232a89c |
14 | 761c39a50c93 |
15 | 3737c90eed32 |
hex | 1b65260fbb81 |
30121244212097 has 2 divisors, whose sum is σ = 30121244212098. Its totient is φ = 30121244212096.
The previous prime is 30121244212091. The next prime is 30121244212123. The reversal of 30121244212097 is 79021244212103.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 21812645500801 + 8308598711296 = 4670401^2 + 2882464^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30121244212097 is a prime.
It is a super-2 number, since 2×301212442120972 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30121244212097.
It is not a weakly prime, because it can be changed into another prime (30121244212091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060622106048 + 15060622106049.
It is an arithmetic number, because the mean of its divisors is an integer number (15060622106049).
Almost surely, 230121244212097 is an apocalyptic number.
It is an amenable number.
30121244212097 is a deficient number, since it is larger than the sum of its proper divisors (1).
30121244212097 is an equidigital number, since it uses as much as digits as its factorization.
30121244212097 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48384, while the sum is 38.
The spelling of 30121244212097 in words is "thirty trillion, one hundred twenty-one billion, two hundred forty-four million, two hundred twelve thousand, ninety-seven".
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