Base | Representation |
---|---|
bin | 11010010110111100… |
… | …000010101111011111 |
3 | 2201001102102222011122 |
4 | 122112330002233133 |
5 | 430430321013142 |
6 | 21000220441155 |
7 | 2021232050006 |
oct | 322674025737 |
9 | 81042388148 |
10 | 28302126047 |
11 | 110038a3218 |
12 | 559a3a91bb |
13 | 28906b1460 |
14 | 1526b57c3d |
15 | b09a451d2 |
hex | 696f02bdf |
28302126047 has 4 divisors (see below), whose sum is σ = 30479212680. Its totient is φ = 26125039416.
The previous prime is 28302126043. The next prime is 28302126067. The reversal of 28302126047 is 74062120382.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 28302126047 - 22 = 28302126043 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28302125998 and 28302126016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28302126043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088543297 + ... + 1088543322.
It is an arithmetic number, because the mean of its divisors is an integer number (7619803170).
Almost surely, 228302126047 is an apocalyptic number.
28302126047 is a deficient number, since it is larger than the sum of its proper divisors (2177086633).
28302126047 is a wasteful number, since it uses less digits than its factorization.
28302126047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2177086632.
The product of its (nonzero) digits is 32256, while the sum is 35.
The spelling of 28302126047 in words is "twenty-eight billion, three hundred two million, one hundred twenty-six thousand, forty-seven".
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