Base | Representation |
---|---|
bin | 11101011101001110010… |
… | …11011010010101011111 |
3 | 10120202110112021222000222 |
4 | 32232213023122111133 |
5 | 113040311224213322 |
6 | 2052543521111555 |
7 | 133060220624426 |
oct | 16564713322537 |
9 | 3522415258028 |
10 | 1012122101087 |
11 | 3602695a3959 |
12 | 1441a57885bb |
13 | 7459a811716 |
14 | 36db636a2bd |
15 | 1b4daaa4e42 |
hex | eba72da55f |
1012122101087 has 2 divisors, whose sum is σ = 1012122101088. Its totient is φ = 1012122101086.
The previous prime is 1012122101057. The next prime is 1012122101167. The reversal of 1012122101087 is 7801012212101.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1012122101087 - 28 = 1012122100831 is a prime.
It is a super-2 number, since 2×10121221010872 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1012122101017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506061050543 + 506061050544.
It is an arithmetic number, because the mean of its divisors is an integer number (506061050544).
Almost surely, 21012122101087 is an apocalyptic number.
1012122101087 is a deficient number, since it is larger than the sum of its proper divisors (1).
1012122101087 is an equidigital number, since it uses as much as digits as its factorization.
1012122101087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 448, while the sum is 26.
Adding to 1012122101087 its reverse (7801012212101), we get a palindrome (8813134313188).
The spelling of 1012122101087 in words is "one trillion, twelve billion, one hundred twenty-two million, one hundred one thousand, eighty-seven".
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