Base | Representation |
---|---|
bin | 1101011001010011110… |
… | …0110010110000101101 |
3 | 211000000022101121222212 |
4 | 3112110330302300231 |
5 | 12232302322344323 |
6 | 253415444220205 |
7 | 22424614455413 |
oct | 3262474626055 |
9 | 730008347885 |
10 | 230132231213 |
11 | 89664710525 |
12 | 3872699a665 |
13 | 18916c014a1 |
14 | b1d1d0b2b3 |
15 | 5ebd9bcb78 |
hex | 3594f32c2d |
230132231213 has 4 divisors (see below), whose sum is σ = 232504728540. Its totient is φ = 227759733888.
The previous prime is 230132231123. The next prime is 230132231237. The reversal of 230132231213 is 312132231032.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 151486759369 + 78645471844 = 389213^2 + 280438^2 .
It is a cyclic number.
It is not a de Polignac number, because 230132231213 - 232 = 225837263917 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230134231213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1186248518 + ... + 1186248711.
It is an arithmetic number, because the mean of its divisors is an integer number (58126182135).
Almost surely, 2230132231213 is an apocalyptic number.
It is an amenable number.
230132231213 is a deficient number, since it is larger than the sum of its proper divisors (2372497327).
230132231213 is an equidigital number, since it uses as much as digits as its factorization.
230132231213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2372497326.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 230132231213 its reverse (312132231032), we get a palindrome (542264462245).
The spelling of 230132231213 in words is "two hundred thirty billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred thirteen".
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