Base | Representation |
---|---|
bin | 111110101111100… |
… | …1101001011100111 |
3 | 12102201112222012010 |
4 | 1331133031023213 |
5 | 13302431114310 |
6 | 544524325303 |
7 | 103113013332 |
oct | 17537151347 |
9 | 5381488163 |
10 | 2105332455 |
11 | 990450486 |
12 | 4a90a3833 |
13 | 277237065 |
14 | 15d877619 |
15 | c4c6c320 |
hex | 7d7cd2e7 |
2105332455 has 16 divisors (see below), whose sum is σ = 3380035680. Its totient is φ = 1119009408.
The previous prime is 2105332423. The next prime is 2105332457. The reversal of 2105332455 is 5542335012.
It is not a de Polignac number, because 2105332455 - 25 = 2105332423 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105332457) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235120 + ... + 243909.
It is an arithmetic number, because the mean of its divisors is an integer number (211252230).
Almost surely, 22105332455 is an apocalyptic number.
2105332455 is a deficient number, since it is larger than the sum of its proper divisors (1274703225).
2105332455 is a wasteful number, since it uses less digits than its factorization.
2105332455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479330.
The product of its (nonzero) digits is 18000, while the sum is 30.
The square root of 2105332455 is about 45883.9019155956. The cubic root of 2105332455 is about 1281.6621584814.
Adding to 2105332455 its reverse (5542335012), we get a palindrome (7647667467).
The spelling of 2105332455 in words is "two billion, one hundred five million, three hundred thirty-two thousand, four hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •