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196732811 = 1123743943
BaseRepresentation
bin10111011100111…
…10011110001011
3111201012001200102
423232132132023
5400330422221
631304400015
74606126022
oct1356363613
9451161612
10196732811
11a1061300
1255a7600b
13319b2162
141c1b18b9
151241130b
hexbb9e78b

196732811 has 12 divisors (see below), whose sum is σ = 222092976. Its totient is φ = 174010320.

The previous prime is 196732763. The next prime is 196732817. The reversal of 196732811 is 118237691.

It is a de Polignac number, because none of the positive numbers 2k-196732811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196732817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17495 + ... + 26448.

It is an arithmetic number, because the mean of its divisors is an integer number (18507748).

Almost surely, 2196732811 is an apocalyptic number.

196732811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196732811 is a deficient number, since it is larger than the sum of its proper divisors (25360165).

196732811 is a wasteful number, since it uses less digits than its factorization.

196732811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44002 (or 43991 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 196732811 is about 14026.1474040451. The cubic root of 196732811 is about 581.6016087294.

The spelling of 196732811 in words is "one hundred ninety-six million, seven hundred thirty-two thousand, eight hundred eleven".

Divisors: 1 11 37 121 407 4477 43943 483373 1625891 5317103 17884801 196732811