Base | Representation |
---|---|
bin | 111100010110000… |
… | …101001001100111 |
3 | 2121120001022211100 |
4 | 330112011021213 |
5 | 4033134434343 |
6 | 244243411143 |
7 | 34042303242 |
oct | 7426051147 |
9 | 2546038740 |
10 | 1012421223 |
11 | 47a538060 |
12 | 243083ab3 |
13 | 131998b18 |
14 | 98662259 |
15 | 5dd369d3 |
hex | 3c585267 |
1012421223 has 24 divisors (see below), whose sum is σ = 1600574976. Its totient is φ = 611571600.
The previous prime is 1012421203. The next prime is 1012421227. The reversal of 1012421223 is 3221242101.
It is a happy number.
1012421223 is a `hidden beast` number, since 10 + 12 + 421 + 223 = 666.
1012421223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1012421223 - 214 = 1012404839 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1012421196 and 1012421205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012421227) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13738 + ... + 47048.
It is an arithmetic number, because the mean of its divisors is an integer number (66690624).
Almost surely, 21012421223 is an apocalyptic number.
1012421223 is a deficient number, since it is larger than the sum of its proper divisors (588153753).
1012421223 is a wasteful number, since it uses less digits than its factorization.
1012421223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33635 (or 33632 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1012421223 is about 31818.5672681848. The cubic root of 1012421223 is about 1004.1233820184.
Adding to 1012421223 its reverse (3221242101), we get a palindrome (4233663324).
The spelling of 1012421223 in words is "one billion, twelve million, four hundred twenty-one thousand, two hundred twenty-three".
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