Base | Representation |
---|---|
bin | 100100001011111… |
… | …0110101110110010 |
3 | 10010121202102011102 |
4 | 1020113312232302 |
5 | 4441314304132 |
6 | 320252444402 |
7 | 42042432500 |
oct | 11027665662 |
9 | 3117672142 |
10 | 1214213042 |
11 | 573434259 |
12 | 29a779702 |
13 | 16472c873 |
14 | b738d670 |
15 | 718e6c62 |
hex | 485f6bb2 |
1214213042 has 24 divisors (see below), whose sum is σ = 2125543680. Its totient is φ = 518690760.
The previous prime is 1214213029. The next prime is 1214213047. The reversal of 1214213042 is 2403124121.
It is a super-2 number, since 2×12142130422 = 2948626622725787528, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1214213047) 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 11 ways as a sum of consecutive naturals, for example, 10559 + ... + 50397.
It is an arithmetic number, because the mean of its divisors is an integer number (88564320).
Almost surely, 21214213042 is an apocalyptic number.
1214213042 is a deficient number, since it is larger than the sum of its proper divisors (911330638).
1214213042 is a wasteful number, since it uses less digits than its factorization.
1214213042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40166 (or 40159 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1214213042 is about 34845.5598606193. The cubic root of 1214213042 is about 1066.8375608786.
Adding to 1214213042 its reverse (2403124121), we get a palindrome (3617337163).
The spelling of 1214213042 in words is "one billion, two hundred fourteen million, two hundred thirteen thousand, forty-two".
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