Base | Representation |
---|---|
bin | 11010010001110001… |
… | …000101000111011110 |
3 | 2200211101012002220122 |
4 | 122101301011013132 |
5 | 430241113203420 |
6 | 20543441114542 |
7 | 2016126440411 |
oct | 322161050736 |
9 | 80741162818 |
10 | 28215366110 |
11 | 10a69925198 |
12 | 5575328a52 |
13 | 2878725209 |
14 | 1519411b78 |
15 | b02108725 |
hex | 691c451de |
28215366110 has 32 divisors (see below), whose sum is σ = 51567449472. Its totient is φ = 11113748640.
The previous prime is 28215366103. The next prime is 28215366119. The reversal of 28215366110 is 1166351282.
28215366110 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×282153661102 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28215366119) 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, 199445 + ... + 310175.
It is an arithmetic number, because the mean of its divisors is an integer number (1611482796).
Almost surely, 228215366110 is an apocalyptic number.
28215366110 is a deficient number, since it is larger than the sum of its proper divisors (23352083362).
28215366110 is a wasteful number, since it uses less digits than its factorization.
28215366110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111128.
The product of its (nonzero) digits is 17280, while the sum is 35.
The spelling of 28215366110 in words is "twenty-eight billion, two hundred fifteen million, three hundred sixty-six thousand, one hundred ten".
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