Base | Representation |
---|---|
bin | 1011111010101001001101… |
… | …1001001101110100010101 |
3 | 1201101112212111011020001202 |
4 | 2332222103121031310111 |
5 | 3204131122004114444 |
6 | 43511010545202245 |
7 | 2521411552632035 |
oct | 276522331156425 |
9 | 51345774136052 |
10 | 13102123113749 |
11 | 41a1640a2065a |
12 | 1577342630385 |
13 | 7406a92b9487 |
14 | 33420902b8c5 |
15 | 17ac39ea234e |
hex | bea9364dd15 |
13102123113749 has 2 divisors, whose sum is σ = 13102123113750. Its totient is φ = 13102123113748.
The previous prime is 13102123113701. The next prime is 13102123113767. The reversal of 13102123113749 is 94731132120131.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12067390654225 + 1034732459524 = 3473815^2 + 1017218^2 .
It is a cyclic number.
It is not a de Polignac number, because 13102123113749 - 216 = 13102123048213 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13102123113449) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551061556874 + 6551061556875.
It is an arithmetic number, because the mean of its divisors is an integer number (6551061556875).
Almost surely, 213102123113749 is an apocalyptic number.
It is an amenable number.
13102123113749 is a deficient number, since it is larger than the sum of its proper divisors (1).
13102123113749 is an equidigital number, since it uses as much as digits as its factorization.
13102123113749 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 38.
The spelling of 13102123113749 in words is "thirteen trillion, one hundred two billion, one hundred twenty-three million, one hundred thirteen thousand, seven hundred forty-nine".
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