Base | Representation |
---|---|
bin | 11010101000000001… |
… | …111100100010011101 |
3 | 2201210102000220010001 |
4 | 122220001330202131 |
5 | 432022223324143 |
6 | 21044503014301 |
7 | 2031313344241 |
oct | 325001744235 |
9 | 81712026101 |
10 | 28588886173 |
11 | 11140754361 |
12 | 565a43a391 |
13 | 2907c24ac3 |
14 | 1552c82421 |
15 | b24cdb14d |
hex | 6a807c89d |
28588886173 has 8 divisors (see below), whose sum is σ = 29856915648. Its totient is φ = 27322942944.
The previous prime is 28588886171. The next prime is 28588886189. The reversal of 28588886173 is 37168888582.
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 28588886173 - 21 = 28588886171 is a prime.
It is a super-2 number, since 2×285888861732 (a number of 22 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 (28588886171) 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, 493515 + ... + 548392.
It is an arithmetic number, because the mean of its divisors is an integer number (3732114456).
Almost surely, 228588886173 is an apocalyptic number.
28588886173 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
28588886173 is a deficient number, since it is larger than the sum of its proper divisors (1268029475).
28588886173 is a wasteful number, since it uses less digits than its factorization.
28588886173 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1043123.
The product of its digits is 41287680, while the sum is 64.
The spelling of 28588886173 in words is "twenty-eight billion, five hundred eighty-eight million, eight hundred eighty-six thousand, one hundred seventy-three".
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