Base | Representation |
---|---|
bin | 10010101000010101… |
… | …010011000001111100 |
3 | 1220122010002201202020 |
4 | 102220111103001330 |
5 | 311432012240234 |
6 | 13104551400140 |
7 | 1305501254655 |
oct | 225025230174 |
9 | 56563081666 |
10 | 20004024444 |
11 | 8535828708 |
12 | 3a63383050 |
13 | 1b6a486671 |
14 | d7aa5252c |
15 | 7c12b3549 |
hex | 4a855307c |
20004024444 has 12 divisors (see below), whose sum is σ = 46676057064. Its totient is φ = 6668008144.
The previous prime is 20004024437. The next prime is 20004024479. The reversal of 20004024444 is 44442040002.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×200040244442 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833501007 + ... + 833501030.
It is an arithmetic number, because the mean of its divisors is an integer number (3889671422).
Almost surely, 220004024444 is an apocalyptic number.
It is an amenable number.
20004024444 is an abundant number, since it is smaller than the sum of its proper divisors (26672032620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20004024444 is a wasteful number, since it uses less digits than its factorization.
20004024444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1667002044 (or 1667002042 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 24.
Adding to 20004024444 its reverse (44442040002), we get a palindrome (64446064446).
The spelling of 20004024444 in words is "twenty billion, four million, twenty-four thousand, four hundred forty-four".
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