Base | Representation |
---|---|
bin | 1111001000000110… |
… | …10000101010000001 |
3 | 202221222010221000020 |
4 | 13210003100222001 |
5 | 113112440332301 |
6 | 3421501444053 |
7 | 405150410100 |
oct | 74403205201 |
9 | 22858127006 |
10 | 8121027201 |
11 | 3498120a31 |
12 | 16a7870629 |
13 | 9c5639751 |
14 | 5707b0037 |
15 | 327e55436 |
hex | 1e40d0a81 |
8121027201 has 12 divisors (see below), whose sum is σ = 12595879152. Its totient is φ = 4640586888.
The previous prime is 8121027163. The next prime is 8121027217. The reversal of 8121027201 is 1027201218.
It is not a de Polignac number, because 8121027201 - 218 = 8120765057 is a prime.
It is not an unprimeable number, because it can be changed into a prime (8121027221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27622395 + ... + 27622688.
It is an arithmetic number, because the mean of its divisors is an integer number (1049656596).
Almost surely, 28121027201 is an apocalyptic number.
It is an amenable number.
8121027201 is a deficient number, since it is larger than the sum of its proper divisors (4474851951).
8121027201 is a wasteful number, since it uses less digits than its factorization.
8121027201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55245100 (or 55245093 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 24.
The square root of 8121027201 is about 90116.7420682750. The cubic root of 8121027201 is about 2010.0351636134.
Adding to 8121027201 its reverse (1027201218), we get a palindrome (9148228419).
The spelling of 8121027201 in words is "eight billion, one hundred twenty-one million, twenty-seven thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •