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1359118069 = 6412120309
BaseRepresentation
bin101000100000010…
…0111111011110101
310111201102100111021
41101000213323311
510240413234234
6342510341141
745452212231
oct12100477365
93451370437
101359118069
11638206581
1231b1ba7b1
1318876669a
14cc70d5c1
157e4bb9b4
hex51027ef5

1359118069 has 4 divisors (see below), whose sum is σ = 1361239020. Its totient is φ = 1356997120.

The previous prime is 1359118037. The next prime is 1359118087. The reversal of 1359118069 is 9608119531.

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 898500625 + 460617444 = 29975^2 + 21462^2 .

It is a cyclic number.

It is not a de Polignac number, because 1359118069 - 25 = 1359118037 is a prime.

It is a super-2 number, since 2×13591180692 = 3694403850964577522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359110069) 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, 1059514 + ... + 1060795.

It is an arithmetic number, because the mean of its divisors is an integer number (340309755).

Almost surely, 21359118069 is an apocalyptic number.

It is an amenable number.

1359118069 is a deficient number, since it is larger than the sum of its proper divisors (2120951).

1359118069 is an equidigital number, since it uses as much as digits as its factorization.

1359118069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120950.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 1359118069 is about 36866.2185340455. The cubic root of 1359118069 is about 1107.6921095472.

The spelling of 1359118069 in words is "one billion, three hundred fifty-nine million, one hundred eighteen thousand, sixty-nine".

Divisors: 1 641 2120309 1359118069