Base | Representation |
---|---|
bin | 10010101110110001… |
… | …010001011101001100 |
3 | 1220220122022112121200 |
4 | 102232301101131030 |
5 | 312142134140244 |
6 | 13123410225500 |
7 | 1311252234453 |
oct | 225661213514 |
9 | 56818275550 |
10 | 20112021324 |
11 | 859079132a |
12 | 3a93585290 |
13 | 1b8696a045 |
14 | d8b125b9a |
15 | 7ca9e7669 |
hex | 4aec5174c |
20112021324 has 36 divisors (see below), whose sum is σ = 51342083520. Its totient is φ = 6637629600.
The previous prime is 20112021301. The next prime is 20112021337. The reversal of 20112021324 is 42312021102.
It is a happy number.
20112021324 is a `hidden beast` number, since 201 + 120 + 21 + 324 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20112021297 and 20112021306.
It is an unprimeable number.
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, 2762044 + ... + 2769315.
Almost surely, 220112021324 is an apocalyptic number.
It is an amenable number.
20112021324 is an abundant number, since it is smaller than the sum of its proper divisors (31230062196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20112021324 is a wasteful number, since it uses less digits than its factorization.
20112021324 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5531470 (or 5531465 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 20112021324 its reverse (42312021102), we get a palindrome (62424042426).
The spelling of 20112021324 in words is "twenty billion, one hundred twelve million, twenty-one thousand, three hundred twenty-four".
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