Search a number
-
+
181696012 = 22192390737
BaseRepresentation
bin10101101010001…
…11011000001100
3110122220010001221
422311013120030
5333003233022
630010213124
74334250661
oct1265073014
9418803057
10181696012
11936209a3
1250a241a4
132b848b44
141a1b9a68
1510e40cc7
hexad4760c

181696012 has 12 divisors (see below), whose sum is σ = 334703320. Its totient is φ = 86066496.

The previous prime is 181696001. The next prime is 181696037. The reversal of 181696012 is 210696181.

181696012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 in 3 ways as a sum of consecutive naturals, for example, 1195293 + ... + 1195444.

Almost surely, 2181696012 is an apocalyptic number.

It is an amenable number.

181696012 is a deficient number, since it is larger than the sum of its proper divisors (153007308).

181696012 is a wasteful number, since it uses less digits than its factorization.

181696012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390760 (or 2390758 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 181696012 is about 13479.4663099100. The cubic root of 181696012 is about 566.3894193165.

The spelling of 181696012 in words is "one hundred eighty-one million, six hundred ninety-six thousand, twelve".

Divisors: 1 2 4 19 38 76 2390737 4781474 9562948 45424003 90848006 181696012