Base | Representation |
---|---|
bin | 10110111111001011… |
… | …01110001000000101 |
3 | 1011212002000222020010 |
4 | 23133211232020011 |
5 | 200233313021041 |
6 | 5400333300433 |
7 | 614552655615 |
oct | 133745561005 |
9 | 34762028203 |
10 | 12341142021 |
11 | 526328672a |
12 | 2485034719 |
13 | 1218a38c00 |
14 | 851060a45 |
15 | 4c36a9a16 |
hex | 2df96e205 |
12341142021 has 24 divisors (see below), whose sum is σ = 17954091936. Its totient is φ = 7536534720.
The previous prime is 12341142017. The next prime is 12341142043. The reversal of 12341142021 is 12024114321.
It is not a de Polignac number, because 12341142021 - 22 = 12341142017 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12341142001) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26490 + ... + 159323.
It is an arithmetic number, because the mean of its divisors is an integer number (748087164).
Almost surely, 212341142021 is an apocalyptic number.
It is an amenable number.
12341142021 is a deficient number, since it is larger than the sum of its proper divisors (5612949915).
12341142021 is a wasteful number, since it uses less digits than its factorization.
12341142021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185973 (or 185960 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 12341142021 its reverse (12024114321), we get a palindrome (24365256342).
The spelling of 12341142021 in words is "twelve billion, three hundred forty-one million, one hundred forty-two thousand, twenty-one".
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