Base | Representation |
---|---|
bin | 1100110000000001000101… |
… | …00000010101110101111111 |
3 | 10200021102022011112111022122 |
4 | 12120000202200111311333 |
5 | 12133334040101133321 |
6 | 135344311554033155 |
7 | 5622454612501022 |
oct | 630004240256577 |
9 | 120242264474278 |
10 | 28038125411711 |
11 | 8a2a9a192a398 |
12 | 3189b875787bb |
13 | 1284ca37832bc |
14 | 6cd0a41371b9 |
15 | 339508e448ab |
hex | 198022815d7f |
28038125411711 has 4 divisors (see below), whose sum is σ = 28038136040424. Its totient is φ = 28038114783000.
The previous prime is 28038125411701. The next prime is 28038125411713. The reversal of 28038125411711 is 11711452183082.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 28038125411711 - 226 = 28038058302847 is a prime.
It is a super-2 number, since 2×280381254117112 (a number of 28 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 (28038125411713) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979261 + ... + 7745561.
It is an arithmetic number, because the mean of its divisors is an integer number (7009534010106).
Almost surely, 228038125411711 is an apocalyptic number.
28038125411711 is a deficient number, since it is larger than the sum of its proper divisors (10628713).
28038125411711 is an equidigital number, since it uses as much as digits as its factorization.
28038125411711 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10628712.
The product of its (nonzero) digits is 107520, while the sum is 44.
Adding to 28038125411711 its reverse (11711452183082), we get a palindrome (39749577594793).
The spelling of 28038125411711 in words is "twenty-eight trillion, thirty-eight billion, one hundred twenty-five million, four hundred eleven thousand, seven hundred eleven".
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