Base | Representation |
---|---|
bin | 10110011010000111… |
… | …00111100011010111 |
3 | 1011001101222002211221 |
4 | 23031003213203113 |
5 | 144114213243221 |
6 | 5305425111211 |
7 | 604056055165 |
oct | 131503474327 |
9 | 34041862757 |
10 | 12030212311 |
11 | 5113817627 |
12 | 23b8a88507 |
13 | 11994b2330 |
14 | 821a44235 |
15 | 4a623c541 |
hex | 2cd0e78d7 |
12030212311 has 16 divisors (see below), whose sum is σ = 13801818240. Its totient is φ = 10393578720.
The previous prime is 12030212263. The next prime is 12030212329. The reversal of 12030212311 is 11321203021.
It is not a de Polignac number, because 12030212311 - 29 = 12030211799 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 (12030212011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272905 + ... + 313906.
It is an arithmetic number, because the mean of its divisors is an integer number (862613640).
Almost surely, 212030212311 is an apocalyptic number.
12030212311 is a deficient number, since it is larger than the sum of its proper divisors (1771605929).
12030212311 is a wasteful number, since it uses less digits than its factorization.
12030212311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 586926.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12030212311 its reverse (11321203021), we get a palindrome (23351415332).
The spelling of 12030212311 in words is "twelve billion, thirty million, two hundred twelve thousand, three hundred eleven".
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