Search a number
-
+
12020230011 = 3611312571951
BaseRepresentation
bin10110011000111011…
…00010011101111011
31011000201011221201010
423030131202131323
5144104134330021
65304431125003
7603605161236
oct131435423573
934021157633
1012020230011
115109119799
1223b5673763
1311973c884a
148205a641d
154a5419976
hex2cc76277b

12020230011 has 32 divisors (see below), whose sum is σ = 16486373376. Its totient is φ = 7787520000.

The previous prime is 12020230007. The next prime is 12020230037. The reversal of 12020230011 is 11003202021.

It is not a de Polignac number, because 12020230011 - 22 = 12020230007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020230711) 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, 6160086 + ... + 6162036.

It is an arithmetic number, because the mean of its divisors is an integer number (515199168).

Almost surely, 212020230011 is an apocalyptic number.

12020230011 is a deficient number, since it is larger than the sum of its proper divisors (4466143365).

12020230011 is a wasteful number, since it uses less digits than its factorization.

12020230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12020230011 its reverse (11003202021), we get a palindrome (23023432032).

The spelling of 12020230011 in words is "twelve billion, twenty million, two hundred thirty thousand, eleven".

Divisors: 1 3 61 131 183 257 393 771 1951 5853 7991 15677 23973 33667 47031 101001 119011 255581 357033 501407 766743 1504221 2053687 6161061 15590441 30585827 46771323 65684317 91757481 197052951 4006743337 12020230011