Search a number
-
+
12026720712 = 233853758699
BaseRepresentation
bin10110011001101100…
…10011000111001000
31011001011101201021110
423030312103013020
5144112320030322
65305222210320
7604014303456
oct131466230710
934034351243
1012026720712
115111852306
1223b78839a0
13119885bcb6
148213b59d6
154a5c9cc0c
hex2ccd931c8

12026720712 has 32 divisors (see below), whose sum is σ = 30070836000. Its totient is φ = 4008369024.

The previous prime is 12026720711. The next prime is 12026720747. The reversal of 12026720712 is 21702762021.

It is a super-2 number, since 2×120267207122 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12026720712.

It is not an unprimeable number, because it can be changed into a prime (12026720711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175539 + ... + 234237.

It is an arithmetic number, because the mean of its divisors is an integer number (939713625).

Almost surely, 212026720712 is an apocalyptic number.

12026720712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12026720712 is an abundant number, since it is smaller than the sum of its proper divisors (18044115288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12026720712 is a wasteful number, since it uses less digits than its factorization.

12026720712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67245 (or 67241 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 12026720712 in words is "twelve billion, twenty-six million, seven hundred twenty thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 8537 17074 25611 34148 51222 58699 68296 102444 117398 176097 204888 234796 352194 469592 704388 1408776 501113363 1002226726 1503340089 2004453452 3006680178 4008906904 6013360356 12026720712