Base | Representation |
---|---|
bin | 111100111111001… |
… | …111101100101010 |
3 | 2122022100120102222 |
4 | 330333033230222 |
5 | 4043420243310 |
6 | 245310554042 |
7 | 34233106220 |
oct | 7477175452 |
9 | 2568316388 |
10 | 1023212330 |
11 | 485638628 |
12 | 246808922 |
13 | 133ca67aa |
14 | 99c70b10 |
15 | 5ec69055 |
hex | 3cfcfb2a |
1023212330 has 64 divisors (see below), whose sum is σ = 2136637440. Its totient is φ = 345570624.
The previous prime is 1023212327. The next prime is 1023212363. The reversal of 1023212330 is 332123201.
It is a junction number, because it is equal to n+sod(n) for n = 1023212299 and 1023212308.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1590989 + ... + 1591631.
It is an arithmetic number, because the mean of its divisors is an integer number (33384960).
Almost surely, 21023212330 is an apocalyptic number.
1023212330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1023212330 is an abundant number, since it is smaller than the sum of its proper divisors (1113425110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1023212330 is a wasteful number, since it uses less digits than its factorization.
1023212330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 963.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1023212330 is about 31987.6902886095. The cubic root of 1023212330 is about 1007.6783355990.
Adding to 1023212330 its reverse (332123201), we get a palindrome (1355335531).
The spelling of 1023212330 in words is "one billion, twenty-three million, two hundred twelve thousand, three hundred thirty".
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