Base | Representation |
---|---|
bin | 100100011100111… |
… | …1011001110001110 |
3 | 10011020120011121000 |
4 | 1020321323032032 |
5 | 10001111104314 |
6 | 321212121130 |
7 | 42211361316 |
oct | 11071731616 |
9 | 3136504530 |
10 | 1223144334 |
11 | 578484495 |
12 | 2a17661a6 |
13 | 166538b59 |
14 | b8636446 |
15 | 725ad209 |
hex | 48e7b38e |
1223144334 has 32 divisors (see below), whose sum is σ = 2722753440. Its totient is φ = 407016576.
The previous prime is 1223144333. The next prime is 1223144359. The reversal of 1223144334 is 4334413221.
1223144334 is a `hidden beast` number, since 1 + 223 + 1 + 4 + 433 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 1223144298 and 1223144307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223144333) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 12924 + ... + 51120.
It is an arithmetic number, because the mean of its divisors is an integer number (85086045).
Almost surely, 21223144334 is an apocalyptic number.
1223144334 is an abundant number, since it is smaller than the sum of its proper divisors (1499609106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223144334 is a wasteful number, since it uses less digits than its factorization.
1223144334 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38801 (or 38795 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 1223144334 is about 34973.4804387553. The cubic root of 1223144334 is about 1069.4469246965.
Adding to 1223144334 its reverse (4334413221), we get a palindrome (5557557555).
It can be divided in two parts, 12231 and 44334, that added together give a palindrome (56565).
The spelling of 1223144334 in words is "one billion, two hundred twenty-three million, one hundred forty-four thousand, three hundred thirty-four".
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