Base | Representation |
---|---|
bin | 11010001011101111… |
… | …010111101001010111 |
3 | 2200120022221002202100 |
4 | 122023233113221113 |
5 | 430034222120143 |
6 | 20525430013143 |
7 | 2013461135223 |
oct | 321357275127 |
9 | 80508832670 |
10 | 28114254423 |
11 | 10a17844512 |
12 | 55474a71b3 |
13 | 28607b2708 |
14 | 1509c11783 |
15 | ae82d46d3 |
hex | 68bbd7a57 |
28114254423 has 12 divisors (see below), whose sum is σ = 41919462208. Its totient is φ = 18138228480.
The previous prime is 28114254391. The next prime is 28114254461. The reversal of 28114254423 is 32445241182.
28114254423 is a `hidden beast` number, since 2 + 81 + 14 + 2 + 544 + 23 = 666.
It is not a de Polignac number, because 28114254423 - 25 = 28114254391 is a prime.
It is a super-2 number, since 2×281142544232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28114254463) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50383690 + ... + 50384247.
Almost surely, 228114254423 is an apocalyptic number.
28114254423 is a deficient number, since it is larger than the sum of its proper divisors (13805207785).
28114254423 is a wasteful number, since it uses less digits than its factorization.
28114254423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100767974 (or 100767971 counting only the distinct ones).
The product of its digits is 61440, while the sum is 36.
The spelling of 28114254423 in words is "twenty-eight billion, one hundred fourteen million, two hundred fifty-four thousand, four hundred twenty-three".
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