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11982711 = 31319103157
BaseRepresentation
bin101101101101…
…011101110111
3211112210012010
4231231131313
511031421321
61104455303
7203565006
oct55553567
924483163
1011982711
116844874
12401a533
132637180
14183cc3d
1510ba676
hexb6d777

11982711 has 32 divisors (see below), whose sum is σ = 18403840. Its totient is φ = 6873984.

The previous prime is 11982703. The next prime is 11982721. The reversal of 11982711 is 11728911.

It is not a de Polignac number, because 11982711 - 23 = 11982703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982721) 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 31 ways as a sum of consecutive naturals, for example, 76245 + ... + 76401.

It is an arithmetic number, because the mean of its divisors is an integer number (575120).

Almost surely, 211982711 is an apocalyptic number.

11982711 is a deficient number, since it is larger than the sum of its proper divisors (6421129).

11982711 is a wasteful number, since it uses less digits than its factorization.

11982711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its digits is 1008, while the sum is 30.

The square root of 11982711 is about 3461.6052634580. The cubic root of 11982711 is about 228.8328458620.

The spelling of 11982711 in words is "eleven million, nine hundred eighty-two thousand, seven hundred eleven".

Divisors: 1 3 13 19 39 57 103 157 247 309 471 741 1339 1957 2041 2983 4017 5871 6123 8949 16171 25441 38779 48513 76323 116337 210223 307249 630669 921747 3994237 11982711