Base | Representation |
---|---|
bin | 10001110011000111110… |
… | …000100101001110000101 |
3 | 11022221002111001011200022 |
4 | 101303013300211032011 |
5 | 130014423230112123 |
6 | 2333521115424525 |
7 | 154240051265264 |
oct | 21630760451605 |
9 | 4287074034608 |
10 | 1223122113413 |
11 | 4317a5601132 |
12 | 179071155145 |
13 | 8b455a60a15 |
14 | 432b13225db |
15 | 21c39abc1c8 |
hex | 11cc7c25385 |
1223122113413 has 4 divisors (see below), whose sum is σ = 1223167672128. Its totient is φ = 1223076554700.
The previous prime is 1223122113329. The next prime is 1223122113427. The reversal of 1223122113413 is 3143112213221.
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 1223122113413 - 212 = 1223122109317 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223122112413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22739063 + ... + 22792788.
It is an arithmetic number, because the mean of its divisors is an integer number (305791918032).
Almost surely, 21223122113413 is an apocalyptic number.
It is an amenable number.
1223122113413 is a deficient number, since it is larger than the sum of its proper divisors (45558715).
1223122113413 is an equidigital number, since it uses as much as digits as its factorization.
1223122113413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45558714.
The product of its digits is 1728, while the sum is 26.
Adding to 1223122113413 its reverse (3143112213221), we get a palindrome (4366234326634).
The spelling of 1223122113413 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-two million, one hundred thirteen thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •