Base | Representation |
---|---|
bin | 111110101111110… |
… | …0000011111000101 |
3 | 12102201200222122122 |
4 | 1331133200133011 |
5 | 13302441132100 |
6 | 544530135325 |
7 | 103113463010 |
oct | 17537403705 |
9 | 5381628578 |
10 | 2105411525 |
11 | 9904a4928 |
12 | 4a9121545 |
13 | 277264049 |
14 | 15d898377 |
15 | c4c85985 |
hex | 7d7e07c5 |
2105411525 has 12 divisors (see below), whose sum is σ = 2983669152. Its totient is φ = 1443710640.
The previous prime is 2105411507. The next prime is 2105411579. The reversal of 2105411525 is 5251145012.
It is not a de Polignac number, because 2105411525 - 216 = 2105345989 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2105411494 and 2105411503.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6015287 + ... + 6015636.
It is an arithmetic number, because the mean of its divisors is an integer number (248639096).
Almost surely, 22105411525 is an apocalyptic number.
2105411525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2105411525 is a deficient number, since it is larger than the sum of its proper divisors (878257627).
2105411525 is a wasteful number, since it uses less digits than its factorization.
2105411525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12030940 (or 12030935 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 26.
The square root of 2105411525 is about 45884.7635386737. The cubic root of 2105411525 is about 1281.6782034150.
Adding to 2105411525 its reverse (5251145012), we get a palindrome (7356556537).
The spelling of 2105411525 in words is "two billion, one hundred five million, four hundred eleven thousand, five hundred twenty-five".
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