Base | Representation |
---|---|
bin | 11010010111111000… |
… | …101110100001111011 |
3 | 2201002112101011211200 |
4 | 122113320232201323 |
5 | 430443404042133 |
6 | 21001545425243 |
7 | 2021514214005 |
oct | 322770564173 |
9 | 81075334750 |
10 | 28318034043 |
11 | 11011879122 |
12 | 55a379b223 |
13 | 2893a91180 |
14 | 1528cd9375 |
15 | b0b138913 |
hex | 697e2e87b |
28318034043 has 24 divisors (see below), whose sum is σ = 44109697632. Its totient is φ = 17402974848.
The previous prime is 28318034029. The next prime is 28318034077. The reversal of 28318034043 is 34043081382.
It is a happy number.
It is not a de Polignac number, because 28318034043 - 25 = 28318034011 is a prime.
It is a super-2 number, since 2×283180340432 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 28318033989 and 28318034007.
It is not an unprimeable number, because it can be changed into a prime (28318034083) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75946 + ... + 249807.
It is an arithmetic number, because the mean of its divisors is an integer number (1837904068).
Almost surely, 228318034043 is an apocalyptic number.
28318034043 is a deficient number, since it is larger than the sum of its proper divisors (15791663589).
28318034043 is a wasteful number, since it uses less digits than its factorization.
28318034043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326515 (or 326512 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 36.
The spelling of 28318034043 in words is "twenty-eight billion, three hundred eighteen million, thirty-four thousand, forty-three".
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