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1332745289 = 10912227021
BaseRepresentation
bin100111101110000…
…0001010001001001
310102212210110211122
41033130001101021
510212140322124
6340125205025
745012101531
oct11734012111
93385713748
101332745289
11624333297
12312400775
131831616a5
14c90064c1
157c00c75e
hex4f701449

1332745289 has 4 divisors (see below), whose sum is σ = 1344972420. Its totient is φ = 1320518160.

The previous prime is 1332745283. The next prime is 1332745313. The reversal of 1332745289 is 9825472331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9825472331 = 94911035241.

It can be written as a sum of positive squares in 2 ways, for example, as 1155456064 + 177289225 = 33992^2 + 13315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332745289 - 28 = 1332745033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1332745283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6113402 + ... + 6113619.

It is an arithmetic number, because the mean of its divisors is an integer number (336243105).

Almost surely, 21332745289 is an apocalyptic number.

It is an amenable number.

1332745289 is a deficient number, since it is larger than the sum of its proper divisors (12227131).

1332745289 is a wasteful number, since it uses less digits than its factorization.

1332745289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227130.

The product of its digits is 362880, while the sum is 44.

The square root of 1332745289 is about 36506.7841503466. The cubic root of 1332745289 is about 1100.4805858710.

The spelling of 1332745289 in words is "one billion, three hundred thirty-two million, seven hundred forty-five thousand, two hundred eighty-nine".

Divisors: 1 109 12227021 1332745289