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28258085282 = 2724359113657
BaseRepresentation
bin11010010100010100…
…000010100110100010
32200221100120110121012
4122110110002212202
5430333032212112
620552004500522
72020155522200
oct322424024642
980840513535
1028258085282
1110a90a52799
1255876aa742
13288453162b
141520d72070
15b05c46022
hex6945029a2

28258085282 has 48 divisors (see below), whose sum is σ = 51309767520. Its totient is φ = 11628372672.

The previous prime is 28258085281. The next prime is 28258085327.

28258085282 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 28258085282.

It is not an unprimeable number, because it can be changed into a prime (28258085281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191798 + ... + 305454.

It is an arithmetic number, because the mean of its divisors is an integer number (1068953490).

Almost surely, 228258085282 is an apocalyptic number.

28258085282 is a deficient number, since it is larger than the sum of its proper divisors (23051682238).

28258085282 is a wasteful number, since it uses less digits than its factorization.

28258085282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113775 (or 113768 counting only the distinct ones).

The product of its (nonzero) digits is 1638400, while the sum is 50.

The spelling of 28258085282 in words is "twenty-eight billion, two hundred fifty-eight million, eighty-five thousand, two hundred eighty-two".

Divisors: 1 2 7 14 43 49 59 86 98 118 301 413 602 826 2107 2537 2891 4214 5074 5782 17759 35518 113657 124313 227314 248626 795599 1591198 4887251 5569193 6705763 9774502 11138386 13411526 34210757 46940341 68421514 93880682 239475299 288347809 328582387 478950598 576695618 657164774 2018434663 4036869326 14129042641 28258085282