Base | Representation |
---|---|
bin | 111000011001001000… |
… | …0101010001010100111 |
3 | 102120120211100212102122 |
4 | 1300302100222022213 |
5 | 3441004142441403 |
6 | 131344510500155 |
7 | 11515012445213 |
oct | 1606220521247 |
9 | 376524325378 |
10 | 121102312103 |
11 | 473a5109563 |
12 | 1b578b0465b |
13 | b55c697556 |
14 | 5c0b8c7943 |
15 | 323bb46838 |
hex | 1c3242a2a7 |
121102312103 has 2 divisors, whose sum is σ = 121102312104. Its totient is φ = 121102312102.
The previous prime is 121102312073. The next prime is 121102312127. The reversal of 121102312103 is 301213201121.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 121102312103 - 222 = 121098117799 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (121102312703) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551156051 + 60551156052.
It is an arithmetic number, because the mean of its divisors is an integer number (60551156052).
Almost surely, 2121102312103 is an apocalyptic number.
121102312103 is a deficient number, since it is larger than the sum of its proper divisors (1).
121102312103 is an equidigital number, since it uses as much as digits as its factorization.
121102312103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 121102312103 its reverse (301213201121), we get a palindrome (422315513224).
The spelling of 121102312103 in words is "one hundred twenty-one billion, one hundred two million, three hundred twelve thousand, one hundred three".
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