Base | Representation |
---|---|
bin | 111110101111001… |
… | …0100101100101100 |
3 | 12102201010012211102 |
4 | 1331132110230230 |
5 | 13302401213400 |
6 | 544515342232 |
7 | 103111030664 |
oct | 17536245454 |
9 | 5381105742 |
10 | 2105101100 |
11 | 990302683 |
12 | 4a8bb1978 |
13 | 27718596b |
14 | 15d8171a4 |
15 | c4c239d5 |
hex | 7d794b2c |
2105101100 has 18 divisors (see below), whose sum is σ = 4568069604. Its totient is φ = 842040400.
The previous prime is 2105101099. The next prime is 2105101123. The reversal of 2105101100 is 11015012.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10525406 + ... + 10525605.
Almost surely, 22105101100 is an apocalyptic number.
2105101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2105101100 is an abundant number, since it is smaller than the sum of its proper divisors (2462968504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105101100 is a wasteful number, since it uses less digits than its factorization.
2105101100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21051025 (or 21051018 counting only the distinct ones).
The product of its (nonzero) digits is 10, while the sum is 11.
The square root of 2105101100 is about 45881.3807551604. The cubic root of 2105101100 is about 1281.6152094734.
Adding to 2105101100 its reverse (11015012), we get a palindrome (2116116112).
The spelling of 2105101100 in words is "two billion, one hundred five million, one hundred one thousand, one hundred".
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