Base | Representation |
---|---|
bin | 100100101110000… |
… | …0101101111011001 |
3 | 10011212102011212221 |
4 | 1021130011233121 |
5 | 10010404202223 |
6 | 322132104041 |
7 | 42350452123 |
oct | 11134055731 |
9 | 3155364787 |
10 | 1232100313 |
11 | 582541224 |
12 | 2a4765021 |
13 | 168353452 |
14 | b98c8213 |
15 | 7327bb5d |
hex | 49705bd9 |
1232100313 has 8 divisors (see below), whose sum is σ = 1317495240. Its totient is φ = 1148140800.
The previous prime is 1232100299. The next prime is 1232100329. The reversal of 1232100313 is 3130012321.
It can be written as a sum of positive squares in 4 ways, for example, as 647040969 + 585059344 = 25437^2 + 24188^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1232100313 - 217 = 1231969241 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1232100383) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357078 + ... + 360511.
It is an arithmetic number, because the mean of its divisors is an integer number (164686905).
Almost surely, 21232100313 is an apocalyptic number.
It is an amenable number.
1232100313 is a deficient number, since it is larger than the sum of its proper divisors (85394927).
1232100313 is a wasteful number, since it uses less digits than its factorization.
1232100313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 717707.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1232100313 is about 35101.2864863953. The cubic root of 1232100313 is about 1072.0507771045.
Adding to 1232100313 its reverse (3130012321), we get a palindrome (4362112634).
The spelling of 1232100313 in words is "one billion, two hundred thirty-two million, one hundred thousand, three hundred thirteen".
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