Base | Representation |
---|---|
bin | 1101001000111111001010… |
… | …10010111111011010100001 |
3 | 10210022102212022222001001221 |
4 | 12210133211102333122201 |
5 | 12241413144020222433 |
6 | 141242403102455041 |
7 | 6041450045026015 |
oct | 644374522773241 |
9 | 123272768861057 |
10 | 28896091960993 |
11 | 9230844657564 |
12 | 32a830a894481 |
13 | 1317b74accc7a |
14 | 71c814c6a545 |
15 | 3519c11ba72d |
hex | 1a47e54bf6a1 |
28896091960993 has 8 divisors (see below), whose sum is σ = 30153935563200. Its totient is φ = 27638372673648.
The previous prime is 28896091960987. The next prime is 28896091961029. The reversal of 28896091960993 is 39906919069882.
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 28896091960993 - 237 = 28758653007521 is a prime.
It is a super-3 number, since 3×288960919609933 (a number of 41 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28896091960973) 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, 30603558 + ... + 31533631.
It is an arithmetic number, because the mean of its divisors is an integer number (3769241945400).
Almost surely, 228896091960993 is an apocalyptic number.
28896091960993 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
28896091960993 is a deficient number, since it is larger than the sum of its proper divisors (1257843602207).
28896091960993 is a wasteful number, since it uses less digits than its factorization.
28896091960993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62157431.
The product of its (nonzero) digits is 816293376, while the sum is 79.
The spelling of 28896091960993 in words is "twenty-eight trillion, eight hundred ninety-six billion, ninety-one million, nine hundred sixty thousand, nine hundred ninety-three".
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