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12000230011 = 7111759155381
BaseRepresentation
bin10110010110100010…
…01111101001111011
31010222022112211212101
423023101033221323
5144034024330021
65302434324231
7603243162220
oct131321175173
933868484771
1012000230011
1150a88a9470
1223aaa29677
131193215423
1481ba7b947
154a37b8a91
hex2cb44fa7b

12000230011 has 32 divisors (see below), whose sum is σ = 16110005760. Its totient is φ = 8651558400.

The previous prime is 12000229999. The next prime is 12000230041. The reversal of 12000230011 is 11003200021.

It is not a de Polignac number, because 12000230011 - 217 = 12000098939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12000230011.

It is not an unprimeable number, because it can be changed into a prime (12000230041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460 + ... + 154921.

It is an arithmetic number, because the mean of its divisors is an integer number (503437680).

Almost surely, 212000230011 is an apocalyptic number.

12000230011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12000230011 is a deficient number, since it is larger than the sum of its proper divisors (4109775749).

12000230011 is a wasteful number, since it uses less digits than its factorization.

12000230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155475.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12000230011 its reverse (11003200021), we get a palindrome (23003430032).

The spelling of 12000230011 in words is "twelve billion, two hundred thirty thousand, eleven".

Divisors: 1 7 11 17 59 77 119 187 413 649 1003 1309 4543 7021 11033 77231 155381 1087667 1709191 2641477 9167479 11964337 18490339 29056247 64172353 100842269 155847143 203393729 705895883 1090930001 1714318573 12000230011