Search a number
-
+
12810088 = 231601261
BaseRepresentation
bin110000110111…
…011101101000
3220002211010201
4300313131220
511234410323
61134321544
7213612124
oct60673550
926084121
1012810088
11725a455
1243592b4
132866945
1419b6584
1511d08ad
hexc37768

12810088 has 8 divisors (see below), whose sum is σ = 24018930. Its totient is φ = 6405040.

The previous prime is 12810079. The next prime is 12810121. The reversal of 12810088 is 88001821.

It can be written as a sum of positive squares in only one way, i.e., 11009124 + 1800964 = 3318^2 + 1342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 800623 + ... + 800638.

Almost surely, 212810088 is an apocalyptic number.

It is an amenable number.

12810088 is a deficient number, since it is larger than the sum of its proper divisors (11208842).

12810088 is a wasteful number, since it uses less digits than its factorization.

12810088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601267 (or 1601263 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 12810088 is about 3579.1183271862. The cubic root of 12810088 is about 233.9828560260.

The spelling of 12810088 in words is "twelve million, eight hundred ten thousand, eighty-eight".

Divisors: 1 2 4 8 1601261 3202522 6405044 12810088