Base | Representation |
---|---|
bin | 10010101111010111… |
… | …010110101111011100 |
3 | 1220221100002201212212 |
4 | 102233113112233130 |
5 | 312202213120234 |
6 | 13124404215552 |
7 | 1311433133663 |
oct | 225727265734 |
9 | 56840081785 |
10 | 20122004444 |
11 | 859638a843 |
12 | 3a9699a5b8 |
13 | 1b88a54009 |
14 | d8c5a3dda |
15 | 7cb81a5ce |
hex | 4af5d6bdc |
20122004444 has 12 divisors (see below), whose sum is σ = 35318001264. Its totient is φ = 10031146944.
The previous prime is 20122004437. The next prime is 20122004449. The reversal of 20122004444 is 44440022102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20122004449) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7462304 + ... + 7464999.
It is an arithmetic number, because the mean of its divisors is an integer number (2943166772).
Almost surely, 220122004444 is an apocalyptic number.
It is an amenable number.
20122004444 is a deficient number, since it is larger than the sum of its proper divisors (15195996820).
20122004444 is a wasteful number, since it uses less digits than its factorization.
20122004444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14927644 (or 14927642 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 23.
Adding to 20122004444 its reverse (44440022102), we get a palindrome (64562026546).
The spelling of 20122004444 in words is "twenty billion, one hundred twenty-two million, four thousand, four hundred forty-four".
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