Base | Representation |
---|---|
bin | 100011011110010000010000… |
… | …0100011001111101101011111 |
3 | 1111220202221120222121122120012 |
4 | 1012330200200203033231133 |
5 | 311344124141014330421 |
6 | 3023340341551113435 |
7 | 122502540302454305 |
oct | 10674404043175537 |
9 | 1456687528548505 |
10 | 312021330230111 |
11 | 90468559598977 |
12 | 2abb39a821287b |
13 | 1051463cc5cc28 |
14 | 5709cad24a275 |
15 | 26115ce1ac95b |
hex | 11bc8208cfb5f |
312021330230111 has 8 divisors (see below), whose sum is σ = 328669862188800. Its totient is φ = 295395433939800.
The previous prime is 312021330230087. The next prime is 312021330230117. The reversal of 312021330230111 is 111032033120213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312021330230111 is a prime.
It is a super-2 number, since 2×3120213302301112 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312021330230117) 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, 5658888791 + ... + 5658943928.
It is an arithmetic number, because the mean of its divisors is an integer number (41083732773600).
Almost surely, 2312021330230111 is an apocalyptic number.
312021330230111 is a deficient number, since it is larger than the sum of its proper divisors (16648531958689).
312021330230111 is a wasteful number, since it uses less digits than its factorization.
312021330230111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11317834189.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 312021330230111 its reverse (111032033120213), we get a palindrome (423053363350324).
The spelling of 312021330230111 in words is "three hundred twelve trillion, twenty-one billion, three hundred thirty million, two hundred thirty thousand, one hundred eleven".
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