Base | Representation |
---|---|
bin | 11010100101111110… |
… | …100100100010011001 |
3 | 2201201000020012110011 |
4 | 122211332210202121 |
5 | 431434414301001 |
6 | 21041232521521 |
7 | 2030414536423 |
oct | 324576444231 |
9 | 81630205404 |
10 | 28554447001 |
11 | 11123271733 |
12 | 564a9b02a1 |
13 | 2900a573b2 |
14 | 154c479813 |
15 | b21c86d51 |
hex | 6a5fa4899 |
28554447001 has 8 divisors (see below), whose sum is σ = 30937240224. Its totient is φ = 26249778240.
The previous prime is 28554446981. The next prime is 28554447017. The reversal of 28554447001 is 10074445582.
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 28554447001 - 223 = 28546058393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28554447041) 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, 19530355 + ... + 19531816.
It is an arithmetic number, because the mean of its divisors is an integer number (3867155028).
Almost surely, 228554447001 is an apocalyptic number.
It is an amenable number.
28554447001 is a deficient number, since it is larger than the sum of its proper divisors (2382793223).
28554447001 is a wasteful number, since it uses less digits than its factorization.
28554447001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39062231.
The product of its (nonzero) digits is 179200, while the sum is 40.
The spelling of 28554447001 in words is "twenty-eight billion, five hundred fifty-four million, four hundred forty-seven thousand, one".
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