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1823135912 = 231317530153
BaseRepresentation
bin110110010101010…
…1101100010101000
311201001112220022022
41230222231202220
512213210322122
6500524044012
763115254023
oct15452554250
94631486268
101823135912
11856126aa4
1242a693608
13230930960
141341ba1ba
15aa0c8642
hex6caad8a8

1823135912 has 16 divisors (see below), whose sum is σ = 3681332340. Its totient is φ = 841447296.

The previous prime is 1823135911. The next prime is 1823135959. The reversal of 1823135912 is 2195313281.

It can be written as a sum of positive squares in 2 ways, for example, as 1702882756 + 120253156 = 41266^2 + 10966^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1823135911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8764973 + ... + 8765180.

Almost surely, 21823135912 is an apocalyptic number.

It is an amenable number.

1823135912 is an abundant number, since it is smaller than the sum of its proper divisors (1858196428).

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

1823135912 is a wasteful number, since it uses less digits than its factorization.

1823135912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17530172 (or 17530168 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 1823135912 is about 42698.1956527439. The cubic root of 1823135912 is about 1221.6299793206.

The spelling of 1823135912 in words is "one billion, eight hundred twenty-three million, one hundred thirty-five thousand, nine hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 17530153 35060306 70120612 140241224 227891989 455783978 911567956 1823135912