Base | Representation |
---|---|
bin | 111110111100101… |
… | …1110101101101101 |
3 | 12110012111220010212 |
4 | 1331321132231231 |
5 | 13311212020023 |
6 | 545332112205 |
7 | 103225400561 |
oct | 17571365555 |
9 | 5405456125 |
10 | 2112220013 |
11 | 994325182 |
12 | 4ab465665 |
13 | 2787a9037 |
14 | 16074b6a1 |
15 | c567ce78 |
hex | 7de5eb6d |
2112220013 has 8 divisors (see below), whose sum is σ = 2127822048. Its totient is φ = 2096667664.
The previous prime is 2112219917. The next prime is 2112220031. The reversal of 2112220013 is 3100222112.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2112220013 - 210 = 2112218989 is a prime.
It is a super-2 number, since 2×21122200132 = 8922946766635440338, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2112220013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112220043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75170 + ... + 99372.
It is an arithmetic number, because the mean of its divisors is an integer number (265977756).
Almost surely, 22112220013 is an apocalyptic number.
It is an amenable number.
2112220013 is a deficient number, since it is larger than the sum of its proper divisors (15602035).
2112220013 is a wasteful number, since it uses less digits than its factorization.
2112220013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24843.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2112220013 is about 45958.8948191751. The cubic root of 2112220013 is about 1283.0582821718.
Adding to 2112220013 its reverse (3100222112), we get a palindrome (5212442125).
The spelling of 2112220013 in words is "two billion, one hundred twelve million, two hundred twenty thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •