Base | Representation |
---|---|
bin | 111110101111110… |
… | …1010100111111111 |
3 | 12102201210002121210 |
4 | 1331133222213333 |
5 | 13302443444210 |
6 | 544531055503 |
7 | 103114025046 |
oct | 17537524777 |
9 | 5381702553 |
10 | 2105453055 |
11 | 990523052 |
12 | 4a9141593 |
13 | 277279c14 |
14 | 15d8a955d |
15 | c4c92e20 |
hex | 7d7ea9ff |
2105453055 has 32 divisors (see below), whose sum is σ = 3430828800. Its totient is φ = 1102263552.
The previous prime is 2105453029. The next prime is 2105453059. The reversal of 2105453055 is 5503545012.
It is a happy number.
It is not a de Polignac number, because 2105453055 - 26 = 2105452991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2105453059) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827976 + ... + 830514.
It is an arithmetic number, because the mean of its divisors is an integer number (107213400).
Almost surely, 22105453055 is an apocalyptic number.
2105453055 is a deficient number, since it is larger than the sum of its proper divisors (1325375745).
2105453055 is a wasteful number, since it uses less digits than its factorization.
2105453055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3543.
The product of its (nonzero) digits is 15000, while the sum is 30.
The square root of 2105453055 is about 45885.2160831787. The cubic root of 2105453055 is about 1281.6866305475.
Adding to 2105453055 its reverse (5503545012), we get a palindrome (7608998067).
The spelling of 2105453055 in words is "two billion, one hundred five million, four hundred fifty-three thousand, fifty-five".
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