Base | Representation |
---|---|
bin | 11010101000111001… |
… | …110011000100101111 |
3 | 2201211102120202012100 |
4 | 122220321303010233 |
5 | 432040000334341 |
6 | 21050144510143 |
7 | 2031551654241 |
oct | 325071630457 |
9 | 81742522170 |
10 | 28603527471 |
11 | 11148a44602 |
12 | 566331b353 |
13 | 290ac800ac |
14 | 1554bb4091 |
15 | b2622e3b6 |
hex | 6a8e7312f |
28603527471 has 12 divisors (see below), whose sum is σ = 41324589072. Its totient is φ = 19065149376.
The previous prime is 28603527443. The next prime is 28603527493. The reversal of 28603527471 is 17472530682.
28603527471 is a `hidden beast` number, since 2 + 86 + 0 + 3 + 527 + 47 + 1 = 666.
It is not a de Polignac number, because 28603527471 - 27 = 28603527343 is a prime.
It is a super-3 number, since 3×286035274713 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28603327471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275226 + ... + 364631.
It is an arithmetic number, because the mean of its divisors is an integer number (3443715756).
Almost surely, 228603527471 is an apocalyptic number.
28603527471 is a deficient number, since it is larger than the sum of its proper divisors (12721061601).
28603527471 is a wasteful number, since it uses less digits than its factorization.
28603527471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 644830 (or 644827 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 28603527471 in words is "twenty-eight billion, six hundred three million, five hundred twenty-seven thousand, four hundred seventy-one".
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