Base | Representation |
---|---|
bin | 1001010010011011000010… |
… | …1101111101101101101101 |
3 | 1100011021012221202102002221 |
4 | 2110212300231331231231 |
5 | 2314303341114224434 |
6 | 33415212553115341 |
7 | 2102541260433163 |
oct | 224466055755555 |
9 | 40137187672087 |
10 | 10212102101869 |
11 | 3287a234534a8 |
12 | 118b2103b8b51 |
13 | 590cc680a605 |
14 | 2743a8609233 |
15 | 12a990aa52b4 |
hex | 949b0b7db6d |
10212102101869 has 2 divisors, whose sum is σ = 10212102101870. Its totient is φ = 10212102101868.
The previous prime is 10212102101863. The next prime is 10212102102011. The reversal of 10212102101869 is 96810120121201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8356649479369 + 1855452622500 = 2890787^2 + 1362150^2 .
It is a cyclic number.
It is not a de Polignac number, because 10212102101869 - 25 = 10212102101837 is a prime.
It is a super-2 number, since 2×102121021018692 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10212102101863) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106051050934 + 5106051050935.
It is an arithmetic number, because the mean of its divisors is an integer number (5106051050935).
Almost surely, 210212102101869 is an apocalyptic number.
It is an amenable number.
10212102101869 is a deficient number, since it is larger than the sum of its proper divisors (1).
10212102101869 is an equidigital number, since it uses as much as digits as its factorization.
10212102101869 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 34.
The spelling of 10212102101869 in words is "ten trillion, two hundred twelve billion, one hundred two million, one hundred one thousand, eight hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •