Search a number
-
+
28113065323 = 721930196633
BaseRepresentation
bin11010001011101010…
…110101010101101011
32200120020200200121121
4122023222311111223
5430033421042243
620525344320111
72013445053400
oct321352652553
980506620547
1028113065323
1110a17102092
125547013037
1328604873c5
1415099c22a7
15ae814c1ed
hex68bab556b

28113065323 has 12 divisors (see below), whose sum is σ = 34424162760. Its totient is φ = 22828653792.

The previous prime is 28113065311. The next prime is 28113065327. The reversal of 28113065323 is 32356031182.

It is not a de Polignac number, because 28113065323 - 217 = 28112934251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28113065327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15097386 + ... + 15099247.

It is an arithmetic number, because the mean of its divisors is an integer number (2868680230).

Almost surely, 228113065323 is an apocalyptic number.

28113065323 is a deficient number, since it is larger than the sum of its proper divisors (6311097437).

28113065323 is a wasteful number, since it uses less digits than its factorization.

28113065323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30196666 (or 30196659 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 28113065323 in words is "twenty-eight billion, one hundred thirteen million, sixty-five thousand, three hundred twenty-three".

Divisors: 1 7 19 49 133 931 30196633 211376431 573736027 1479635017 4016152189 28113065323