Base | Representation |
---|---|
bin | 10110110000000011… |
… | …01001001010110100 |
3 | 1011112020020212220011 |
4 | 23120001221022310 |
5 | 200003321302040 |
6 | 5340001350004 |
7 | 611452234606 |
oct | 133001511264 |
9 | 34466225804 |
10 | 12214244020 |
11 | 51a8693350 |
12 | 244a638304 |
13 | 11c8668334 |
14 | 83c26b176 |
15 | 4b74903ea |
hex | 2d80692b4 |
12214244020 has 24 divisors (see below), whose sum is σ = 27981723168. Its totient is φ = 4441543200.
The previous prime is 12214243919. The next prime is 12214244111. The reversal of 12214244020 is 2044241221.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 12214243982 and 12214244000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27759426 + ... + 27759865.
It is an arithmetic number, because the mean of its divisors is an integer number (1165905132).
Almost surely, 212214244020 is an apocalyptic number.
12214244020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12214244020 is an abundant number, since it is smaller than the sum of its proper divisors (15767479148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12214244020 is a wasteful number, since it uses less digits than its factorization.
12214244020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55519311 (or 55519309 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 22.
Adding to 12214244020 its reverse (2044241221), we get a palindrome (14258485241).
The spelling of 12214244020 in words is "twelve billion, two hundred fourteen million, two hundred forty-four thousand, twenty".
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