Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …1010000110100110001 |
3 | 202021021001121020201122 |
4 | 3011131121100310301 |
5 | 11433204144113410 |
6 | 241222322512025 |
7 | 21214026552434 |
oct | 3053531206461 |
9 | 667231536648 |
10 | 212020301105 |
11 | 81a0aa29348 |
12 | 35111205615 |
13 | 16cbb741192 |
14 | a3946a581b |
15 | 57ad8a4e55 |
hex | 315d650d31 |
212020301105 has 8 divisors (see below), whose sum is σ = 254433616872. Its totient is φ = 169610070528.
The previous prime is 212020301083. The next prime is 212020301131. The reversal of 212020301105 is 501103020212.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 71935531264 + 140084769841 = 268208^2 + 374279^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212020301105 - 230 = 210946559281 is a prime.
It is a Duffinian number.
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, 617312 + ... + 897281.
It is an arithmetic number, because the mean of its divisors is an integer number (31804202109).
Almost surely, 2212020301105 is an apocalyptic number.
It is an amenable number.
212020301105 is a deficient number, since it is larger than the sum of its proper divisors (42413315767).
212020301105 is a wasteful number, since it uses less digits than its factorization.
212020301105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1542595.
The product of its (nonzero) digits is 120, while the sum is 17.
Adding to 212020301105 its reverse (501103020212), we get a palindrome (713123321317).
The spelling of 212020301105 in words is "two hundred twelve billion, twenty million, three hundred one thousand, one hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.112 sec. • engine limits •