Search a number
-
+
11785445934 = 2343211216493
BaseRepresentation
bin10101111100111011…
…11010001000101110
31010102100101200111120
422332131322020232
5143114033232214
65225243001410
7565024431453
oct127635721056
933370350446
1011785445934
114aa8638a69
12234ab09266
13115a882b62
147db32b82a
1548e9ddea9
hex2be77a22e

11785445934 has 32 divisors (see below), whose sum is σ = 24233472384. Its totient is φ = 3818918880.

The previous prime is 11785445933. The next prime is 11785445983. The reversal of 11785445934 is 43954458711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11785445933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53809 + ... + 162684.

It is an arithmetic number, because the mean of its divisors is an integer number (757296012).

Almost surely, 211785445934 is an apocalyptic number.

11785445934 is an abundant number, since it is smaller than the sum of its proper divisors (12448026450).

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

11785445934 is a wasteful number, since it uses less digits than its factorization.

11785445934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216752.

The product of its digits is 2419200, while the sum is 51.

The spelling of 11785445934 in words is "eleven billion, seven hundred eighty-five million, four hundred forty-five thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 43 86 129 211 258 422 633 1266 9073 18146 27219 54438 216493 432986 649479 1298958 9309199 18618398 27927597 45680023 55855194 91360046 137040069 274080138 1964240989 3928481978 5892722967 11785445934