Base | Representation |
---|---|
bin | 10010101000000110… |
… | …110100101110100111 |
3 | 1220121211221222011210 |
4 | 102220012310232213 |
5 | 311430024332221 |
6 | 13104334202503 |
7 | 1305424103235 |
oct | 225006645647 |
9 | 56554858153 |
10 | 20000230311 |
11 | 8533677066 |
12 | 3a62053433 |
13 | 1b69758709 |
14 | d7a345955 |
15 | 7c0cb4276 |
hex | 4a81b4ba7 |
20000230311 has 8 divisors (see below), whose sum is σ = 26858823040. Its totient is φ = 13237562232.
The previous prime is 20000230309. The next prime is 20000230333. The reversal of 20000230311 is 11303200002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20000230311 - 21 = 20000230309 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 (20000230711) 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 7 ways as a sum of consecutive naturals, for example, 23980675 + ... + 23981508.
It is an arithmetic number, because the mean of its divisors is an integer number (3357352880).
Almost surely, 220000230311 is an apocalyptic number.
20000230311 is a deficient number, since it is larger than the sum of its proper divisors (6858592729).
20000230311 is a wasteful number, since it uses less digits than its factorization.
20000230311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47962325.
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 20000230311 its reverse (11303200002), we get a palindrome (31303430313).
The spelling of 20000230311 in words is "twenty billion, two hundred thirty thousand, three hundred eleven".
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