Base | Representation |
---|---|
bin | 10111001101011010… |
… | …01000101101101010 |
3 | 1012011101200022212100 |
4 | 23212231020231222 |
5 | 201004343321232 |
6 | 5420240154230 |
7 | 620532504300 |
oct | 134655105552 |
9 | 35141608770 |
10 | 12460526442 |
11 | 5314707a41 |
12 | 24b9008976 |
13 | 12376a8890 |
14 | 862c5a270 |
15 | 4cdddcc7c |
hex | 2e6b48b6a |
12460526442 has 144 divisors (see below), whose sum is σ = 33946010280. Its totient is φ = 3274193664.
The previous prime is 12460526423. The next prime is 12460526443. The reversal of 12460526442 is 24462506421.
12460526442 is a `hidden beast` number, since 1 + 2 + 4 + 6 + 0 + 5 + 2 + 644 + 2 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 10249740081 + 2210786361 = 101241^2 + 47019^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12460526397 and 12460526406.
It is not an unprimeable number, because it can be changed into a prime (12460526443) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3357684 + ... + 3361392.
Almost surely, 212460526442 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12460526442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16973005140).
12460526442 is an abundant number, since it is smaller than the sum of its proper divisors (21485483838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12460526442 is a wasteful number, since it uses less digits than its factorization.
12460526442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4037 (or 4027 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 36.
The spelling of 12460526442 in words is "twelve billion, four hundred sixty million, five hundred twenty-six thousand, four hundred forty-two".
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