Search a number
-
+
12011313032131 = 723457163248203
BaseRepresentation
bin1010111011001001101000…
…0010111110101111000011
31120112021022001112200101111
42232302122002332233003
53033243132114012011
641313530535344151
72346534351133330
oct256623202765703
946467261480344
1012011313032131
113910a73088336
12141ba58522057
1369187b428a3a
142d74ca295987
1515c6961e5121
hexaec9a0bebc3

12011313032131 has 16 divisors (see below), whose sum is σ = 14355394066944. Its totient is φ = 9826235774784.

The previous prime is 12011313032119. The next prime is 12011313032137. The reversal of 12011313032131 is 13123031311021.

It is a cyclic number.

It is not a de Polignac number, because 12011313032131 - 233 = 12002723097539 is a prime.

It is a super-2 number, since 2×120113130321312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011313032137) 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, 81550525 + ... + 81697678.

It is an arithmetic number, because the mean of its divisors is an integer number (897212129184).

Almost surely, 212011313032131 is an apocalyptic number.

12011313032131 is a deficient number, since it is larger than the sum of its proper divisors (2344081034813).

12011313032131 is a wasteful number, since it uses less digits than its factorization.

12011313032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163248690.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12011313032131 its reverse (13123031311021), we get a palindrome (25134344343152).

The spelling of 12011313032131 in words is "twelve trillion, eleven billion, three hundred thirteen million, thirty-two thousand, one hundred thirty-one".

Divisors: 1 7 23 161 457 3199 10511 73577 163248203 1142737421 3754708669 26282960683 74604428771 522231001397 1715901861733 12011313032131