Base | Representation |
---|---|
bin | 11010100110011111… |
… | …001111001111101101 |
3 | 2201201121100021102022 |
4 | 122212133033033231 |
5 | 431444112314131 |
6 | 21042140235525 |
7 | 2030550404132 |
oct | 324637171755 |
9 | 81647307368 |
10 | 28563010541 |
11 | 1112809063a |
12 | 565183bba5 |
13 | 2902765190 |
14 | 154d668589 |
15 | b228c937b |
hex | 6a67cf3ed |
28563010541 has 8 divisors (see below), whose sum is σ = 31181538360. Its totient is φ = 26004678912.
The previous prime is 28563010519. The next prime is 28563010559. The reversal of 28563010541 is 14501036582.
It can be written as a sum of positive squares in 4 ways, for example, as 3402388900 + 25160621641 = 58330^2 + 158621^2 .
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 28563010541 - 26 = 28563010477 is a prime.
It is a super-2 number, since 2×285630105412 (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 (28563010591) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15048056 + ... + 15049953.
It is an arithmetic number, because the mean of its divisors is an integer number (3897692295).
Almost surely, 228563010541 is an apocalyptic number.
It is an amenable number.
28563010541 is a deficient number, since it is larger than the sum of its proper divisors (2618527819).
28563010541 is a wasteful number, since it uses less digits than its factorization.
28563010541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30098095.
The product of its (nonzero) digits is 28800, while the sum is 35.
The spelling of 28563010541 in words is "twenty-eight billion, five hundred sixty-three million, ten thousand, five hundred forty-one".
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