Base | Representation |
---|---|
bin | 111111110010001… |
… | …0001111100100000 |
3 | 12112011012021221202 |
4 | 1333210101330200 |
5 | 13340343421440 |
6 | 552212140332 |
7 | 104015355026 |
oct | 17744217440 |
9 | 5464167852 |
10 | 2140217120 |
11 | 9a9107888 |
12 | 4b89076a8 |
13 | 28152c482 |
14 | 164358716 |
15 | c7d5d615 |
hex | 7f911f20 |
2140217120 has 24 divisors (see below), whose sum is σ = 5056263324. Its totient is φ = 856086784.
The previous prime is 2140217119. The next prime is 2140217201. The reversal of 2140217120 is 217120412.
It can be written as a sum of positive squares in 2 ways, for example, as 2107544464 + 32672656 = 45908^2 + 5716^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 2140217092 and 2140217101.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6688019 + ... + 6688338.
Almost surely, 22140217120 is an apocalyptic number.
2140217120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2140217120 is an abundant number, since it is smaller than the sum of its proper divisors (2916046204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140217120 is a wasteful number, since it uses less digits than its factorization.
2140217120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13376372 (or 13376364 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 2140217120 is about 46262.4806944029. The cubic root of 2140217120 is about 1288.7023226238.
Adding to 2140217120 its reverse (217120412), we get a palindrome (2357337532).
The spelling of 2140217120 in words is "two billion, one hundred forty million, two hundred seventeen thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •