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1320132233 = 7188590319
BaseRepresentation
bin100111010101111…
…1001111010001001
310102000001122222102
41032223321322021
510200423212413
6334555003145
744466640010
oct11653717211
93360048872
101320132233
116181a8982
1230a1394b5
13180666644
14c7481a77
157ad6a458
hex4eaf9e89

1320132233 has 4 divisors (see below), whose sum is σ = 1508722560. Its totient is φ = 1131541908.

The previous prime is 1320132223. The next prime is 1320132239. The reversal of 1320132233 is 3322310231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3322310231 = 5875659813.

It is not a de Polignac number, because 1320132233 - 26 = 1320132169 is a prime.

It is a super-2 number, since 2×13201322332 = 3485498225211132578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320132239) 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, 94295153 + ... + 94295166.

It is an arithmetic number, because the mean of its divisors is an integer number (377180640).

Almost surely, 21320132233 is an apocalyptic number.

It is an amenable number.

1320132233 is a deficient number, since it is larger than the sum of its proper divisors (188590327).

1320132233 is an equidigital number, since it uses as much as digits as its factorization.

1320132233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188590326.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1320132233 is about 36333.6240003664. The cubic root of 1320132233 is about 1096.9979391839.

Adding to 1320132233 its reverse (3322310231), we get a palindrome (4642442464).

The spelling of 1320132233 in words is "one billion, three hundred twenty million, one hundred thirty-two thousand, two hundred thirty-three".

Divisors: 1 7 188590319 1320132233