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11982191732 = 227427935419
BaseRepresentation
bin10110010100011000…
…11011110001110100
31010221001121101222222
423022030123301310
5144014420113412
65300551541512
7602633643410
oct131214336164
933831541888
1011982191732
1150996a8aa5
1223a498a898
13118c56aba4
14819503d40
154a1e04072
hex2ca31bc74

11982191732 has 12 divisors (see below), whose sum is σ = 23964383520. Its totient is φ = 5135225016.

The previous prime is 11982191731. The next prime is 11982191737. The reversal of 11982191732 is 23719128911.

11982191732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11982191732 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982191731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213967682 + ... + 213967737.

It is an arithmetic number, because the mean of its divisors is an integer number (1997031960).

Almost surely, 211982191732 is an apocalyptic number.

It is an amenable number.

11982191732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11982191732 is a wasteful number, since it uses less digits than its factorization.

11982191732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427935430 (or 427935428 counting only the distinct ones).

The product of its digits is 54432, while the sum is 44.

The spelling of 11982191732 in words is "eleven billion, nine hundred eighty-two million, one hundred ninety-one thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 14 28 427935419 855870838 1711741676 2995547933 5991095866 11982191732