Base | Representation |
---|---|
bin | 1010100011100111000111… |
… | …11110100010101111110100 |
3 | 10001012012221121000021011220 |
4 | 11101303203332202233310 |
5 | 11020313404442401433 |
6 | 121212141351430340 |
7 | 4614100205041512 |
oct | 521634376425764 |
9 | 101165847007156 |
10 | 23213828090868 |
11 | 743aa24857288 |
12 | 272abb40853b0 |
13 | cc5092c4169c |
14 | 5a37ab95d4b2 |
15 | 2a3ca1a262b3 |
hex | 151ce3fa2bf4 |
23213828090868 has 96 divisors (see below), whose sum is σ = 57083190528000. Its totient is φ = 7327875924864.
The previous prime is 23213828090867. The next prime is 23213828090899. The reversal of 23213828090868 is 86809082831232.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23213828090867) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119840958 + ... + 120034506.
It is an arithmetic number, because the mean of its divisors is an integer number (594616568000).
Almost surely, 223213828090868 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23213828090868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28541595264000).
23213828090868 is an abundant number, since it is smaller than the sum of its proper divisors (33869362437132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23213828090868 is a wasteful number, since it uses less digits than its factorization.
23213828090868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197901 (or 197899 counting only the distinct ones).
The product of its (nonzero) digits is 15925248, while the sum is 60.
The spelling of 23213828090868 in words is "twenty-three trillion, two hundred thirteen billion, eight hundred twenty-eight million, ninety thousand, eight hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •