Base | Representation |
---|---|
bin | 1011101001111010110… |
… | …1100001101001001111 |
3 | 201010211110101101110122 |
4 | 2322132231201221033 |
5 | 11240033143330111 |
6 | 231552430055155 |
7 | 20315626242020 |
oct | 2723655415117 |
9 | 633743341418 |
10 | 200231230031 |
11 | 77a103447a8 |
12 | 3298104a4bb |
13 | 15b601bc291 |
14 | 9996ab2c47 |
15 | 531d8ebcdb |
hex | 2e9eb61a4f |
200231230031 has 4 divisors (see below), whose sum is σ = 228835691472. Its totient is φ = 171626768592.
The previous prime is 200231230013. The next prime is 200231230037. The reversal of 200231230031 is 130032132002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-200231230031 is a prime.
It is a super-3 number, since 3×2002312300313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 200231229991 and 200231230009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200231230037) 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, 14302230710 + ... + 14302230723.
It is an arithmetic number, because the mean of its divisors is an integer number (57208922868).
Almost surely, 2200231230031 is an apocalyptic number.
200231230031 is a deficient number, since it is larger than the sum of its proper divisors (28604461441).
200231230031 is an equidigital number, since it uses as much as digits as its factorization.
200231230031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28604461440.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 200231230031 its reverse (130032132002), we get a palindrome (330263362033).
The spelling of 200231230031 in words is "two hundred billion, two hundred thirty-one million, two hundred thirty thousand, thirty-one".
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