Base | Representation |
---|---|
bin | 11010001000011000… |
… | …110010010101111010 |
3 | 2200102102002020001021 |
4 | 122020120302111322 |
5 | 424430322042220 |
6 | 20520100213054 |
7 | 2012206042315 |
oct | 321030622572 |
9 | 80372066037 |
10 | 28058002810 |
11 | 10999013882 |
12 | 553069a18a |
13 | 2851c48936 |
14 | 150256b97c |
15 | ae33c24aa |
hex | 68863257a |
28058002810 has 32 divisors (see below), whose sum is σ = 53187456960. Its totient is φ = 10627521408.
The previous prime is 28058002807. The next prime is 28058002823. The reversal of 28058002810 is 1820085082.
It is a happy number.
It is a super-2 number, since 2×280580028102 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385054 + ... + 452086.
It is an arithmetic number, because the mean of its divisors is an integer number (1662108030).
Almost surely, 228058002810 is an apocalyptic number.
28058002810 is a deficient number, since it is larger than the sum of its proper divisors (25129454150).
28058002810 is a wasteful number, since it uses less digits than its factorization.
28058002810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69262.
The product of its (nonzero) digits is 10240, while the sum is 34.
Adding to 28058002810 its reverse (1820085082), we get a palindrome (29878087892).
The spelling of 28058002810 in words is "twenty-eight billion, fifty-eight million, two thousand, eight hundred ten".
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