Base | Representation |
---|---|
bin | 10111001000000001… |
… | …01100101110100010 |
3 | 1012001020121202110100 |
4 | 23210000230232202 |
5 | 200411310314132 |
6 | 5411543243230 |
7 | 616443335043 |
oct | 134400545642 |
9 | 35036552410 |
10 | 12415323042 |
11 | 52a1142a61 |
12 | 24a5a49516 |
13 | 122b20c7c5 |
14 | 85ac508ca |
15 | 4c9e5e37c |
hex | 2e402cba2 |
12415323042 has 48 divisors (see below), whose sum is σ = 28210665600. Its totient is φ = 3938590656.
The previous prime is 12415323001. The next prime is 12415323047. The reversal of 12415323042 is 24032351421.
12415323042 is a `hidden beast` number, since 12 + 415 + 3 + 230 + 4 + 2 = 666.
It is a super-2 number, since 2×124153230422 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12415322997 and 12415323015.
It is not an unprimeable number, because it can be changed into a prime (12415323047) 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, 7038 + ... + 157734.
It is an arithmetic number, because the mean of its divisors is an integer number (587722200).
Almost surely, 212415323042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12415323042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14105332800).
12415323042 is an abundant number, since it is smaller than the sum of its proper divisors (15795342558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12415323042 is a wasteful number, since it uses less digits than its factorization.
12415323042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150927 (or 150924 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 12415323042 its reverse (24032351421), we get a palindrome (36447674463).
The spelling of 12415323042 in words is "twelve billion, four hundred fifteen million, three hundred twenty-three thousand, forty-two".
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