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12000100011 = 361151434267
BaseRepresentation
bin10110010110100001…
…01111111010101011
31010222022022020112120
423023100233322223
5144034011200021
65302431442323
7603242111214
oct131320577253
933868266476
1012000100011
1150a881a829
1223aa9863a3
13119319b1c3
1481ba4640b
154a37902c6
hex2cb42feab

12000100011 has 16 divisors (see below), whose sum is σ = 16370166528. Its totient is φ = 7816788000.

The previous prime is 12000100001. The next prime is 12000100033. The reversal of 12000100011 is 11000100021.

It is not a de Polignac number, because 12000100011 - 210 = 12000098987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000100001) 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, 189501 + ... + 244766.

It is an arithmetic number, because the mean of its divisors is an integer number (1023135408).

Almost surely, 212000100011 is an apocalyptic number.

12000100011 is a deficient number, since it is larger than the sum of its proper divisors (4370066517).

12000100011 is a wasteful number, since it uses less digits than its factorization.

12000100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434482.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 12000100011 its reverse (11000100021), we get a palindrome (23000200032).

The spelling of 12000100011 in words is "twelve billion, one hundred thousand, eleven".

Divisors: 1 3 61 151 183 453 9211 27633 434267 1302801 26490287 65574317 79470861 196722951 4000033337 12000100011