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1132689361 = 2698141981
BaseRepresentation
bin100001110000011…
…0111011111010001
32220221100120200211
41003200313133101
54304432024421
6304221244121
740032462226
oct10340673721
92827316624
101132689361
11531412311
12277403641
13150887abb
14aa60b94d
15696919e1
hex438377d1

1132689361 has 4 divisors (see below), whose sum is σ = 1132758324. Its totient is φ = 1132620400.

The previous prime is 1132689319. The next prime is 1132689391. The reversal of 1132689361 is 1639862311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 64641600 + 1068047761 = 8040^2 + 32681^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132689361 - 211 = 1132687313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132689391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5991 + ... + 47971.

It is an arithmetic number, because the mean of its divisors is an integer number (283189581).

Almost surely, 21132689361 is an apocalyptic number.

It is an amenable number.

1132689361 is a deficient number, since it is larger than the sum of its proper divisors (68963).

1132689361 is an equidigital number, since it uses as much as digits as its factorization.

1132689361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68962.

The product of its digits is 46656, while the sum is 40.

The square root of 1132689361 is about 33655.4506878158. The cubic root of 1132689361 is about 1042.4060911408.

The spelling of 1132689361 in words is "one billion, one hundred thirty-two million, six hundred eighty-nine thousand, three hundred sixty-one".

Divisors: 1 26981 41981 1132689361