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1132132021 = 5572032553
BaseRepresentation
bin100001101111010…
…1111011010110101
32220220022021011121
41003132233122311
54304311211041
6304201303541
740024651306
oct10336573265
92826267147
101132132021
115310715a9
12277194bb1
13150721207
14aa5047ad
15695d17d1
hex437af6b5

1132132021 has 4 divisors (see below), whose sum is σ = 1134165132. Its totient is φ = 1130098912.

The previous prime is 1132132007. The next prime is 1132132033. The reversal of 1132132021 is 1202312311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 579364900 + 552767121 = 24070^2 + 23511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132132021 - 215 = 1132099253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132131986 and 1132132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132132091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015720 + ... + 1016833.

It is an arithmetic number, because the mean of its divisors is an integer number (283541283).

Almost surely, 21132132021 is an apocalyptic number.

It is an amenable number.

1132132021 is a deficient number, since it is larger than the sum of its proper divisors (2033111).

1132132021 is an equidigital number, since it uses as much as digits as its factorization.

1132132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033110.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1132132021 is about 33647.1695837852. The cubic root of 1132132021 is about 1042.2350910572.

Adding to 1132132021 its reverse (1202312311), we get a palindrome (2334444332).

The spelling of 1132132021 in words is "one billion, one hundred thirty-two million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 557 2032553 1132132021