Base | Representation |
---|---|
bin | 11010100010100100… |
… | …001011011111101001 |
3 | 2201120000111121020222 |
4 | 122202210023133221 |
5 | 431330240301113 |
6 | 21031425455425 |
7 | 2026121115044 |
oct | 324244133751 |
9 | 81500447228 |
10 | 28497197033 |
11 | 110a3a19a08 |
12 | 56337a1575 |
13 | 28c1c31086 |
14 | 1544a15c5b |
15 | b1bc28e08 |
hex | 6a290b7e9 |
28497197033 has 8 divisors (see below), whose sum is σ = 28973938848. Its totient is φ = 28021967424.
The previous prime is 28497197023. The next prime is 28497197117. The reversal of 28497197033 is 33079179482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28497197033 - 212 = 28497192937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28497197023) 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, 340016 + ... + 415457.
It is an arithmetic number, because the mean of its divisors is an integer number (3621742356).
Almost surely, 228497197033 is an apocalyptic number.
It is an amenable number.
28497197033 is a deficient number, since it is larger than the sum of its proper divisors (476741815).
28497197033 is an equidigital number, since it uses as much as digits as its factorization.
28497197033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 756103.
The product of its (nonzero) digits is 2286144, while the sum is 53.
The spelling of 28497197033 in words is "twenty-eight billion, four hundred ninety-seven million, one hundred ninety-seven thousand, thirty-three".
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