Base | Representation |
---|---|
bin | 11000000000100011… |
… | …00010101001010110 |
3 | 1020021021212110022000 |
4 | 30000101202221112 |
5 | 202344203001441 |
6 | 5531002420130 |
7 | 634261641630 |
oct | 140021425126 |
9 | 36237773260 |
10 | 12889500246 |
11 | 5514872347 |
12 | 25b8801646 |
13 | 12a552302c |
14 | 8a3c03a50 |
15 | 5068c62b6 |
hex | 300462a56 |
12889500246 has 32 divisors (see below), whose sum is σ = 32735239680. Its totient is φ = 3682714248.
The previous prime is 12889500241. The next prime is 12889500251. The reversal of 12889500246 is 64200598821.
12889500246 is a `hidden beast` number, since 1 + 28 + 89 + 500 + 2 + 46 = 666.
It is an interprime number because it is at equal distance from previous prime (12889500241) and next prime (12889500251).
It is a super-2 number, since 2×128895002462 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12889500241) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17049226 + ... + 17049981.
It is an arithmetic number, because the mean of its divisors is an integer number (1022976240).
Almost surely, 212889500246 is an apocalyptic number.
12889500246 is an abundant number, since it is smaller than the sum of its proper divisors (19845739434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12889500246 is a wasteful number, since it uses less digits than its factorization.
12889500246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34099225 (or 34099219 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 45.
The spelling of 12889500246 in words is "twelve billion, eight hundred eighty-nine million, five hundred thousand, two hundred forty-six".
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