Base | Representation |
---|---|
bin | 111111001111101… |
… | …0100101001000000 |
3 | 12110220011220010002 |
4 | 1332133110221000 |
5 | 13321231441344 |
6 | 550324455132 |
7 | 103405615511 |
oct | 17637245100 |
9 | 5426156102 |
10 | 2122140224 |
11 | 9999903a6 |
12 | 4b284a4a8 |
13 | 27a870499 |
14 | 161bb0a08 |
15 | c648c44e |
hex | 7e7d4a40 |
2122140224 has 56 divisors (see below), whose sum is σ = 4295518968. Its totient is φ = 1039933440.
The previous prime is 2122140211. The next prime is 2122140233. The reversal of 2122140224 is 4220412212.
It can be written as a sum of positive squares in 4 ways, for example, as 2458624 + 2119681600 = 1568^2 + 46040^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2122140196 and 2122140205.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314842 + ... + 1316454.
Almost surely, 22122140224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2122140224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2147759484).
2122140224 is an abundant number, since it is smaller than the sum of its proper divisors (2173378744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122140224 is a wasteful number, since it uses less digits than its factorization.
2122140224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2023 (or 2013 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 2122140224 is about 46066.6932175514. The cubic root of 2122140224 is about 1285.0638078405.
Adding to 2122140224 its reverse (4220412212), we get a palindrome (6342552436).
The spelling of 2122140224 in words is "two billion, one hundred twenty-two million, one hundred forty thousand, two hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.137 sec. • engine limits •