Base | Representation |
---|---|
bin | 10111001000101101… |
… | …00001011111011110 |
3 | 1012001122101102101201 |
4 | 23210112201133132 |
5 | 200414241403230 |
6 | 5412310030114 |
7 | 616543063552 |
oct | 134426413736 |
9 | 35048342351 |
10 | 12421044190 |
11 | 52a43a0385 |
12 | 24a794833a |
13 | 122c4638b9 |
14 | 85b8dd862 |
15 | 4ca6de5ca |
hex | 2e45a17de |
12421044190 has 8 divisors (see below), whose sum is σ = 22357879560. Its totient is φ = 4968417672.
The previous prime is 12421044187. The next prime is 12421044191. The reversal of 12421044190 is 9144012421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×124210441902 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12421044191) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621052200 + ... + 621052219.
It is an arithmetic number, because the mean of its divisors is an integer number (2794734945).
Almost surely, 212421044190 is an apocalyptic number.
12421044190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12421044190 is a deficient number, since it is larger than the sum of its proper divisors (9936835370).
12421044190 is a wasteful number, since it uses less digits than its factorization.
12421044190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1242104426.
The product of its (nonzero) digits is 2304, while the sum is 28.
The spelling of 12421044190 in words is "twelve billion, four hundred twenty-one million, forty-four thousand, one hundred ninety".
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