Base | Representation |
---|---|
bin | 11010000101011101… |
… | …010101001010000111 |
3 | 2200021222121121222222 |
4 | 122011131111022013 |
5 | 424330232043333 |
6 | 20511143042555 |
7 | 2011041254540 |
oct | 320535251207 |
9 | 80258547888 |
10 | 28008862343 |
11 | 109732aa920 |
12 | 551814045b |
13 | 2844a01837 |
14 | 14d9c194c7 |
15 | adde17298 |
hex | 685755287 |
28008862343 has 16 divisors (see below), whose sum is σ = 35059288320. Its totient is φ = 21738120000.
The previous prime is 28008862333. The next prime is 28008862351. The reversal of 28008862343 is 34326880082.
It is a cyclic number.
It is not a de Polignac number, because 28008862343 - 224 = 27992085127 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28008862294 and 28008862303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28008862333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705278 + ... + 743931.
It is an arithmetic number, because the mean of its divisors is an integer number (2191205520).
Almost surely, 228008862343 is an apocalyptic number.
28008862343 is a deficient number, since it is larger than the sum of its proper divisors (7050425977).
28008862343 is a wasteful number, since it uses less digits than its factorization.
28008862343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1449478.
The product of its (nonzero) digits is 442368, while the sum is 44.
The spelling of 28008862343 in words is "twenty-eight billion, eight million, eight hundred sixty-two thousand, three hundred forty-three".
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