Base | Representation |
---|---|
bin | 1011001110001001… |
… | …0000010000001011 |
3 | 21202220210120222011 |
4 | 2303202100100023 |
5 | 22132044214011 |
6 | 1214515440351 |
7 | 134433302644 |
oct | 26342202013 |
9 | 7686716864 |
10 | 3012101131 |
11 | 1306286186 |
12 | 7008b60b7 |
13 | 390060580 |
14 | 2080766cb |
15 | 129684621 |
hex | b389040b |
3012101131 has 4 divisors (see below), whose sum is σ = 3243801232. Its totient is φ = 2780401032.
The previous prime is 3012101087. The next prime is 3012101149. The reversal of 3012101131 is 1311012103.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3012101131 - 215 = 3012068363 is a prime.
It is a super-2 number, since 2×30121011312 = 18145506446742958322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 231700087 = 3012101131 / (3 + 0 + 1 + 2 + 1 + 0 + 1 + 1 + 3 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3012101431) 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, 115850031 + ... + 115850056.
It is an arithmetic number, because the mean of its divisors is an integer number (810950308).
Almost surely, 23012101131 is an apocalyptic number.
3012101131 is a deficient number, since it is larger than the sum of its proper divisors (231700101).
3012101131 is a wasteful number, since it uses less digits than its factorization.
3012101131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231700100.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 3012101131 is about 54882.6122829444. The cubic root of 3012101131 is about 1444.1861744018.
Adding to 3012101131 its reverse (1311012103), we get a palindrome (4323113234).
The spelling of 3012101131 in words is "three billion, twelve million, one hundred one thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •