Base | Representation |
---|---|
bin | 100100001100011… |
… | …0000100101100100 |
3 | 10010122012110020101 |
4 | 1020120300211210 |
5 | 4441344400040 |
6 | 320301513444 |
7 | 42044440420 |
oct | 11030604544 |
9 | 3118173211 |
10 | 1214450020 |
11 | 573586303 |
12 | 29a872884 |
13 | 1647b36a4 |
14 | b7411b80 |
15 | 7194209a |
hex | 48630964 |
1214450020 has 48 divisors (see below), whose sum is σ = 2916724608. Its totient is φ = 416090880.
The previous prime is 1214450011. The next prime is 1214450047. The reversal of 1214450020 is 200544121.
It is a self number, because there is not a number n which added to its sum of digits gives 1214450020.
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 15 ways as a sum of consecutive naturals, for example, 317439 + ... + 321241.
It is an arithmetic number, because the mean of its divisors is an integer number (60765096).
Almost surely, 21214450020 is an apocalyptic number.
1214450020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1214450020 is an abundant number, since it is smaller than the sum of its proper divisors (1702274588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214450020 is a wasteful number, since it uses less digits than its factorization.
1214450020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6100 (or 6098 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 19.
The square root of 1214450020 is about 34848.9600992626. The cubic root of 1214450020 is about 1066.9069612713.
Adding to 1214450020 its reverse (200544121), we get a palindrome (1414994141).
The spelling of 1214450020 in words is "one billion, two hundred fourteen million, four hundred fifty thousand, twenty".
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