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11532305231 = 127257353329
BaseRepresentation
bin10101011110110000…
…10000001101001111
31002202201001210201222
422233120100031033
5142104232231411
65144201153555
7555531656066
oct125730201517
932681053658
1011532305231
11498875a677
12229a18b8bb
13111a2b0a65
147b58751dd
154776894db
hex2af61034f

11532305231 has 8 divisors (see below), whose sum is σ = 11668369920. Its totient is φ = 11396947968.

The previous prime is 11532305221. The next prime is 11532305233. The reversal of 11532305231 is 13250323511.

11532305231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11532305231 - 210 = 11532304207 is a prime.

It is a super-2 number, since 2×115323052312 (a number of 21 digits) contains 22 as substring.

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 11532305231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532305233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144026 + ... + 209303.

It is an arithmetic number, because the mean of its divisors is an integer number (1458546240).

Almost surely, 211532305231 is an apocalyptic number.

11532305231 is a deficient number, since it is larger than the sum of its proper divisors (136064689).

11532305231 is a wasteful number, since it uses less digits than its factorization.

11532305231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353713.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 11532305231 its reverse (13250323511), we get a palindrome (24782628742).

The spelling of 11532305231 in words is "eleven billion, five hundred thirty-two million, three hundred five thousand, two hundred thirty-one".

Divisors: 1 127 257 32639 353329 44872783 90805553 11532305231