Base | Representation |
---|---|
bin | 1100100010101… |
… | …10100011001000 |
3 | 21022222022212121 |
4 | 12101112203020 |
5 | 203413241404 |
6 | 14235021024 |
7 | 2415200554 |
oct | 621264310 |
9 | 238868777 |
10 | 105212104 |
11 | 54431458 |
12 | 2b29a774 |
13 | 18a49caa |
14 | dd8a864 |
15 | 9383e54 |
hex | 64568c8 |
105212104 has 32 divisors (see below), whose sum is σ = 202694400. Its totient is φ = 51179200.
The previous prime is 105212089. The next prime is 105212111. The reversal of 105212104 is 401212501.
It is a super-2 number, since 2×1052121042 = 22139173656213632, which contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46569 + ... + 48775.
It is an arithmetic number, because the mean of its divisors is an integer number (6334200).
Almost surely, 2105212104 is an apocalyptic number.
It is an amenable number.
105212104 is a deficient number, since it is larger than the sum of its proper divisors (97482296).
105212104 is a wasteful number, since it uses less digits than its factorization.
105212104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2373 (or 2369 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 105212104 is about 10257.2951600312. The cubic root of 105212104 is about 472.0868484256.
Adding to 105212104 its reverse (401212501), we get a palindrome (506424605).
The spelling of 105212104 in words is "one hundred five million, two hundred twelve thousand, one hundred four".
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