Base | Representation |
---|---|
bin | 10001101000111000100… |
… | …101000111110111101101 |
3 | 11021212201102111122020212 |
4 | 101220320211013313231 |
5 | 124324420242030013 |
6 | 2324502253152205 |
7 | 153400466166065 |
oct | 21507045076755 |
9 | 4255642448225 |
10 | 1212130033133 |
11 | 428074892568 |
12 | 176b03a8b665 |
13 | 8a3c367a0c6 |
14 | 4294b5143a5 |
15 | 217e4a946a8 |
hex | 11a38947ded |
1212130033133 has 4 divisors (see below), whose sum is σ = 1212141680160. Its totient is φ = 1212118386108.
The previous prime is 1212130033123. The next prime is 1212130033199. The reversal of 1212130033133 is 3313300312121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1212130033133 - 28 = 1212130032877 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1212130033099 and 1212130033108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212130033123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5665985 + ... + 5876022.
It is an arithmetic number, because the mean of its divisors is an integer number (303035420040).
Almost surely, 21212130033133 is an apocalyptic number.
It is an amenable number.
1212130033133 is a deficient number, since it is larger than the sum of its proper divisors (11647027).
1212130033133 is a wasteful number, since it uses less digits than its factorization.
1212130033133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11647026.
The product of its (nonzero) digits is 972, while the sum is 23.
Adding to 1212130033133 its reverse (3313300312121), we get a palindrome (4525430345254).
The spelling of 1212130033133 in words is "one trillion, two hundred twelve billion, one hundred thirty million, thirty-three thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •