Base | Representation |
---|---|
bin | 11010001000101011… |
… | …111001011000111000 |
3 | 2200102202111201220221 |
4 | 122020223321120320 |
5 | 424433112344113 |
6 | 20520355425424 |
7 | 2012266445464 |
oct | 321053713070 |
9 | 80382451827 |
10 | 28063012408 |
11 | 109a0925642 |
12 | 55322b5274 |
13 | 2852cb0bb2 |
14 | 15030b34a4 |
15 | ae3a6198d |
hex | 688af9638 |
28063012408 has 32 divisors (see below), whose sum is σ = 53635912560. Its totient is φ = 13762700800.
The previous prime is 28063012387. The next prime is 28063012499. The reversal of 28063012408 is 80421036082.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75841 + ... + 248752.
Almost surely, 228063012408 is an apocalyptic number.
It is an amenable number.
28063012408 is a deficient number, since it is larger than the sum of its proper divisors (25572900152).
28063012408 is a wasteful number, since it uses less digits than its factorization.
28063012408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 324807 (or 324803 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The spelling of 28063012408 in words is "twenty-eight billion, sixty-three million, twelve thousand, four hundred eight".
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