Base | Representation |
---|---|
bin | 10101100010101010… |
… | …101110010001001011 |
3 | 2012200222120001211000 |
4 | 111202222232101023 |
5 | 334332313000321 |
6 | 14343104310043 |
7 | 1446121324533 |
oct | 254252562113 |
9 | 65628501730 |
10 | 23130203211 |
11 | 989a440025 |
12 | 4596312323 |
13 | 224804929b |
14 | 1195d024c3 |
15 | 90597d826 |
hex | 562aae44b |
23130203211 has 16 divisors (see below), whose sum is σ = 34303190400. Its totient is φ = 15403835304.
The previous prime is 23130203209. The next prime is 23130203221. The reversal of 23130203211 is 11230203132.
It is not a de Polignac number, because 23130203211 - 21 = 23130203209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23130203221) 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, 426741 + ... + 477878.
It is an arithmetic number, because the mean of its divisors is an integer number (2143949400).
Almost surely, 223130203211 is an apocalyptic number.
23130203211 is a deficient number, since it is larger than the sum of its proper divisors (11172987189).
23130203211 is an equidigital number, since it uses as much as digits as its factorization.
23130203211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 905575 (or 905569 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23130203211 its reverse (11230203132), we get a palindrome (34360406343).
The spelling of 23130203211 in words is "twenty-three billion, one hundred thirty million, two hundred three thousand, two hundred eleven".
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