Base | Representation |
---|---|
bin | 10110100011001111… |
… | …10010100100110100 |
3 | 1011020202002100012221 |
4 | 23101213302210310 |
5 | 144243320203013 |
6 | 5321202452124 |
7 | 606006063142 |
oct | 132147624464 |
9 | 34222070187 |
10 | 12106803508 |
11 | 5152a7a738 |
12 | 241a664044 |
13 | 11ac31ac77 |
14 | 82bca0592 |
15 | 4acd1b08d |
hex | 2d19f2934 |
12106803508 has 24 divisors (see below), whose sum is σ = 21674016000. Its totient is φ = 5914660128.
The previous prime is 12106803491. The next prime is 12106803509. The reversal of 12106803508 is 80530860121.
12106803508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×121068035082 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12106803509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58858 + ... + 166366.
It is an arithmetic number, because the mean of its divisors is an integer number (903084000).
Almost surely, 212106803508 is an apocalyptic number.
It is an amenable number.
12106803508 is a deficient number, since it is larger than the sum of its proper divisors (9567212492).
12106803508 is a wasteful number, since it uses less digits than its factorization.
12106803508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 108159 (or 108157 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 34.
The spelling of 12106803508 in words is "twelve billion, one hundred six million, eight hundred three thousand, five hundred eight".
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