Search a number
-
+
28230124158 = 2334396771759
BaseRepresentation
bin11010010010101001…
…011000001001111110
32200212101221220011000
4122102221120021332
5430303402433113
620545125311130
72016366044655
oct322251301176
980771856130
1028230124158
1110a77195125
12557a2654a6
13287b7c16a2
14151b37419c
15b03571373
hex692a5827e

28230124158 has 64 divisors (see below), whose sum is σ = 63005184000. Its totient is φ = 9369408672.

The previous prime is 28230124151. The next prime is 28230124199. The reversal of 28230124158 is 85142103282.

It is a happy number.

28230124158 is a `hidden beast` number, since 2 + 8 + 230 + 1 + 2 + 415 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28230124151) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16048083 + ... + 16049841.

It is an arithmetic number, because the mean of its divisors is an integer number (984456000).

Almost surely, 228230124158 is an apocalyptic number.

28230124158 is an abundant number, since it is smaller than the sum of its proper divisors (34775059842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28230124158 is a wasteful number, since it uses less digits than its factorization.

28230124158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886 (or 2880 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 28230124158 in words is "twenty-eight billion, two hundred thirty million, one hundred twenty-four thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 439 677 878 1317 1354 1759 2031 2634 3518 3951 4062 5277 6093 7902 10554 11853 12186 15831 18279 23706 31662 36558 47493 94986 297203 594406 772201 891609 1190843 1544402 1783218 2316603 2381686 2674827 3572529 4633206 5349654 6949809 7145058 8024481 10717587 13899618 16048962 20849427 21435174 32152761 41698854 64305522 522780077 1045560154 1568340231 3136680462 4705020693 9410041386 14115062079 28230124158