Base | Representation |
---|---|
bin | 11010001100110101… |
… | …011110100111000100 |
3 | 2200121121111211110102 |
4 | 122030311132213010 |
5 | 430103423224103 |
6 | 20531323543232 |
7 | 2014103302163 |
oct | 321465364704 |
9 | 80547454412 |
10 | 28132633028 |
11 | 10a27157645 |
12 | 555168ab18 |
13 | 2864548b26 |
14 | 150c4373da |
15 | ae9c14e88 |
hex | 68cd5e9c4 |
28132633028 has 48 divisors (see below), whose sum is σ = 50734107648. Its totient is φ = 13645380000.
The previous prime is 28132633003. The next prime is 28132633031. The reversal of 28132633028 is 82033623182.
It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 28132632982 and 28132633000.
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, 4585523 + ... + 4591653.
It is an arithmetic number, because the mean of its divisors is an integer number (1056960576).
Almost surely, 228132633028 is an apocalyptic number.
It is an amenable number.
28132633028 is a deficient number, since it is larger than the sum of its proper divisors (22601474620).
28132633028 is a wasteful number, since it uses less digits than its factorization.
28132633028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6464 (or 6462 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 38.
The spelling of 28132633028 in words is "twenty-eight billion, one hundred thirty-two million, six hundred thirty-three thousand, twenty-eight".
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