Base | Representation |
---|---|
bin | 11010110010011000… |
… | …111100101110101011 |
3 | 2202020112001221222120 |
4 | 122302120330232223 |
5 | 432401222012202 |
6 | 21114032122323 |
7 | 2035523550324 |
oct | 326230745653 |
9 | 82215057876 |
10 | 28762688427 |
11 | 1121a873590 |
12 | 56a86963a3 |
13 | 2934c38985 |
14 | 156bda544b |
15 | b351bd0bc |
hex | 6b263cbab |
28762688427 has 8 divisors (see below), whose sum is σ = 41836637760. Its totient is φ = 17431932360.
The previous prime is 28762688413. The next prime is 28762688459. The reversal of 28762688427 is 72488626782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28762688427 - 24 = 28762688411 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28762688407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435798277 + ... + 435798342.
It is an arithmetic number, because the mean of its divisors is an integer number (5229579720).
Almost surely, 228762688427 is an apocalyptic number.
28762688427 is a deficient number, since it is larger than the sum of its proper divisors (13073949333).
28762688427 is a wasteful number, since it uses less digits than its factorization.
28762688427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 871596633.
The product of its digits is 28901376, while the sum is 60.
The spelling of 28762688427 in words is "twenty-eight billion, seven hundred sixty-two million, six hundred eighty-eight thousand, four hundred twenty-seven".
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