Base | Representation |
---|---|
bin | 11010001101000111… |
… | …111111000000110110 |
3 | 2200121221122022012201 |
4 | 122031013333000312 |
5 | 430111143444332 |
6 | 20532015535114 |
7 | 2014162446022 |
oct | 321507770066 |
9 | 80557568181 |
10 | 28137484342 |
11 | 10a299704a0 |
12 | 555322a49a |
13 | 2865557026 |
14 | 150cd3b382 |
15 | aea3725e7 |
hex | 68d1ff036 |
28137484342 has 8 divisors (see below), whose sum is σ = 46043156232. Its totient is φ = 12789765600.
The previous prime is 28137484339. The next prime is 28137484379. The reversal of 28137484342 is 24348473182.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 28137484292 and 28137484301.
It is a congruent number.
It is an unprimeable number.
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, 639488259 + ... + 639488302.
It is an arithmetic number, because the mean of its divisors is an integer number (5755394529).
Almost surely, 228137484342 is an apocalyptic number.
28137484342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
28137484342 is a deficient number, since it is larger than the sum of its proper divisors (17905671890).
28137484342 is a wasteful number, since it uses less digits than its factorization.
28137484342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1278976574.
The product of its digits is 1032192, while the sum is 46.
The spelling of 28137484342 in words is "twenty-eight billion, one hundred thirty-seven million, four hundred eighty-four thousand, three hundred forty-two".
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