Base | Representation |
---|---|
bin | 111100111000000… |
… | …111100111101001 |
3 | 2122011211122220012 |
4 | 330320013213221 |
5 | 4042431003413 |
6 | 245202541305 |
7 | 34211165660 |
oct | 7470074751 |
9 | 2564748805 |
10 | 1021344233 |
11 | 484582048 |
12 | 246067835 |
13 | 1337a1400 |
14 | 99905dd7 |
15 | 5e9ea7a8 |
hex | 3ce079e9 |
1021344233 has 24 divisors (see below), whose sum is σ = 1318935168. Its totient is φ = 772941312.
The previous prime is 1021344223. The next prime is 1021344253. The reversal of 1021344233 is 3324431201.
It is not a de Polignac number, because 1021344233 - 28 = 1021343977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1021344199 and 1021344208.
It is not an unprimeable number, because it can be changed into a prime (1021344223) 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 23 ways as a sum of consecutive naturals, for example, 8441 + ... + 45977.
It is an arithmetic number, because the mean of its divisors is an integer number (54955632).
Almost surely, 21021344233 is an apocalyptic number.
1021344233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1021344233 is a deficient number, since it is larger than the sum of its proper divisors (297590935).
1021344233 is a wasteful number, since it uses less digits than its factorization.
1021344233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37593 (or 37580 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 1021344233 is about 31958.4767002434. The cubic root of 1021344233 is about 1007.0647165791.
Adding to 1021344233 its reverse (3324431201), we get a palindrome (4345775434).
The spelling of 1021344233 in words is "one billion, twenty-one million, three hundred forty-four thousand, two hundred thirty-three".
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