Base | Representation |
---|---|
bin | 10110100100001000… |
… | …00101011111011101 |
3 | 1011021021001012010122 |
4 | 23102010011133131 |
5 | 144302220033041 |
6 | 5322025444325 |
7 | 606126115430 |
oct | 132204053735 |
9 | 34237035118 |
10 | 12114221021 |
11 | 5157186611 |
12 | 24210406a5 |
13 | 11b0a17226 |
14 | 82cc71817 |
15 | 4ad7d3c4b |
hex | 2d21057dd |
12114221021 has 8 divisors (see below), whose sum is σ = 13846014144. Its totient is φ = 10382725440.
The previous prime is 12114221017. The next prime is 12114221057. The reversal of 12114221021 is 12012241121.
12114221021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12114221021 - 22 = 12114221017 is a prime.
It is a super-3 number, since 3×121142210213 (a number of 31 digits) contains 333 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 (12114221071) 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, 21026 + ... + 157068.
It is an arithmetic number, because the mean of its divisors is an integer number (1730751768).
Almost surely, 212114221021 is an apocalyptic number.
It is an amenable number.
12114221021 is a deficient number, since it is larger than the sum of its proper divisors (1731793123).
12114221021 is a wasteful number, since it uses less digits than its factorization.
12114221021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148771.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12114221021 its reverse (12012241121), we get a palindrome (24126462142).
The spelling of 12114221021 in words is "twelve billion, one hundred fourteen million, two hundred twenty-one thousand, twenty-one".
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