Base | Representation |
---|---|
bin | 11010010100001010… |
… | …001100000011011001 |
3 | 2200221011201020202120 |
4 | 122110022030003121 |
5 | 430331402040203 |
6 | 20551433251453 |
7 | 2020124544315 |
oct | 322412140331 |
9 | 80834636676 |
10 | 28255502553 |
11 | 10a8a549303 |
12 | 5586863b89 |
13 | 2883b38ba5 |
14 | 152089cb45 |
15 | b058d5b53 |
hex | 69428c0d9 |
28255502553 has 8 divisors (see below), whose sum is σ = 39312003648. Its totient is φ = 18018001584.
The previous prime is 28255502543. The next prime is 28255502563. The reversal of 28255502553 is 35520555282.
It is an interprime number because it is at equal distance from previous prime (28255502543) and next prime (28255502563).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28255502553 - 217 = 28255371481 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28255502543) 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, 204749950 + ... + 204750087.
It is an arithmetic number, because the mean of its divisors is an integer number (4914000456).
Almost surely, 228255502553 is an apocalyptic number.
28255502553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
28255502553 is a deficient number, since it is larger than the sum of its proper divisors (11056501095).
28255502553 is a wasteful number, since it uses less digits than its factorization.
28255502553 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 409500063.
The product of its (nonzero) digits is 600000, while the sum is 42.
The spelling of 28255502553 in words is "twenty-eight billion, two hundred fifty-five million, five hundred two thousand, five hundred fifty-three".
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