Base | Representation |
---|---|
bin | 111110100111111… |
… | …0001111110001101 |
3 | 12102102221112101210 |
4 | 1331033301332031 |
5 | 13300412220340 |
6 | 544301525033 |
7 | 103033442355 |
oct | 17517617615 |
9 | 5372845353 |
10 | 2101288845 |
11 | 989139457 |
12 | 4a7873779 |
13 | 27644c6a6 |
14 | 15d103b65 |
15 | c471e180 |
hex | 7d3f1f8d |
2101288845 has 8 divisors (see below), whose sum is σ = 3362062176. Its totient is φ = 1120687376.
The previous prime is 2101288829. The next prime is 2101288853. The reversal of 2101288845 is 5488821012.
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 2101288845 - 24 = 2101288829 is a prime.
It is a congruent 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, 70042947 + ... + 70042976.
It is an arithmetic number, because the mean of its divisors is an integer number (420257772).
Almost surely, 22101288845 is an apocalyptic number.
It is an amenable number.
2101288845 is a deficient number, since it is larger than the sum of its proper divisors (1260773331).
2101288845 is a wasteful number, since it uses less digits than its factorization.
2101288845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140085931.
The product of its (nonzero) digits is 40960, while the sum is 39.
The square root of 2101288845 is about 45839.8172444001. The cubic root of 2101288845 is about 1280.8410904666.
The spelling of 2101288845 in words is "two billion, one hundred one million, two hundred eighty-eight thousand, eight hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •