Base | Representation |
---|---|
bin | 10111000111000000… |
… | …10011100101010110 |
3 | 1012000122122100011210 |
4 | 23203200103211112 |
5 | 200402122101241 |
6 | 5411041242250 |
7 | 616311220152 |
oct | 134340234526 |
9 | 35018570153 |
10 | 12406831446 |
11 | 5297373109 |
12 | 24a3033386 |
13 | 12295286a9 |
14 | 859a80062 |
15 | 4c9333316 |
hex | 2e3813956 |
12406831446 has 16 divisors (see below), whose sum is σ = 25669306800. Its totient is φ = 3993003168.
The previous prime is 12406831441. The next prime is 12406831477. The reversal of 12406831446 is 64413860421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12406831441) 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, 35651641 + ... + 35651988.
It is an arithmetic number, because the mean of its divisors is an integer number (1604331675).
Almost surely, 212406831446 is an apocalyptic number.
12406831446 is an abundant number, since it is smaller than the sum of its proper divisors (13262475354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12406831446 is a wasteful number, since it uses less digits than its factorization.
12406831446 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71303663.
The product of its (nonzero) digits is 110592, while the sum is 39.
The spelling of 12406831446 in words is "twelve billion, four hundred six million, eight hundred thirty-one thousand, four hundred forty-six".
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