Base | Representation |
---|---|
bin | 111101110000001… |
… | …0000010110000001 |
3 | 12100101221012112012 |
4 | 1323200100112001 |
5 | 13220421144441 |
6 | 541335142305 |
7 | 102230106125 |
oct | 17340202601 |
9 | 5311835465 |
10 | 2072053121 |
11 | 9736901a6 |
12 | 499b14995 |
13 | 270384548 |
14 | 159293585 |
15 | c1d969eb |
hex | 7b810581 |
2072053121 has 6 divisors (see below), whose sum is σ = 2122889622. Its totient is φ = 2021230880.
The previous prime is 2072053117. The next prime is 2072053157. The reversal of 2072053121 is 1213502702.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 165508225 + 1906544896 = 12865^2 + 43664^2 .
It is not a de Polignac number, because 2072053121 - 22 = 2072053117 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 (2072053111) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287915 + ... + 295023.
It is an arithmetic number, because the mean of its divisors is an integer number (353814937).
Almost surely, 22072053121 is an apocalyptic number.
It is an amenable number.
2072053121 is a deficient number, since it is larger than the sum of its proper divisors (50836501).
2072053121 is an frugal number, since it uses more digits than its factorization.
2072053121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14259 (or 7150 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 2072053121 is about 45519.8102039101. The cubic root of 2072053121 is about 1274.8731122733.
Adding to 2072053121 its reverse (1213502702), we get a palindrome (3285555823).
The spelling of 2072053121 in words is "two billion, seventy-two million, fifty-three thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •