Base | Representation |
---|---|
bin | 1011101000001000… |
… | …0011110010111101 |
3 | 22001111220102001212 |
4 | 2322002003302331 |
5 | 22343000231023 |
6 | 1233412014205 |
7 | 140225633531 |
oct | 27202036275 |
9 | 8044812055 |
10 | 3121102013 |
11 | 1361865157 |
12 | 731301365 |
13 | 3a9805c33 |
14 | 21872bbc1 |
15 | 134015e78 |
hex | ba083cbd |
3121102013 has 8 divisors (see below), whose sum is σ = 3288414720. Its totient is φ = 2954093760.
The previous prime is 3121101943. The next prime is 3121102043. The reversal of 3121102013 is 3102011213.
3121102013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 3121102013 - 214 = 3121085629 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 (3121102043) 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, 54908 + ... + 96213.
It is an arithmetic number, because the mean of its divisors is an integer number (411051840).
Almost surely, 23121102013 is an apocalyptic number.
It is an amenable number.
3121102013 is a deficient number, since it is larger than the sum of its proper divisors (167312707).
3121102013 is a wasteful number, since it uses less digits than its factorization.
3121102013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152227.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 3121102013 is about 55866.8239029211. The cubic root of 3121102013 is about 1461.4007344158.
Adding to 3121102013 its reverse (3102011213), we get a palindrome (6223113226).
The spelling of 3121102013 in words is "three billion, one hundred twenty-one million, one hundred two thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •