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13469423393 = 61332196221
BaseRepresentation
bin11001000101101011…
…10001011100100001
31021202201002121022002
430202311301130201
5210041133022033
610104320253345
7654533131646
oct144265613441
937681077262
1013469423393
115792158178
12273aa71255
13136870c51a
1491ac41dcd
1553c77a3e8
hex322d71721

13469423393 has 4 divisors (see below), whose sum is σ = 13471625748. Its totient is φ = 13467221040.

The previous prime is 13469423389. The next prime is 13469423413. The reversal of 13469423393 is 39332496431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39332496431 = 179749218819.

It can be written as a sum of positive squares in 2 ways, for example, as 11841139489 + 1628283904 = 108817^2 + 40352^2 .

It is a cyclic number.

It is not a de Polignac number, because 13469423393 - 22 = 13469423389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13469423593) 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, 1091978 + ... + 1104243.

It is an arithmetic number, because the mean of its divisors is an integer number (3367906437).

Almost surely, 213469423393 is an apocalyptic number.

It is an amenable number.

13469423393 is a deficient number, since it is larger than the sum of its proper divisors (2202355).

13469423393 is an equidigital number, since it uses as much as digits as its factorization.

13469423393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202354.

The product of its digits is 1259712, while the sum is 47.

The spelling of 13469423393 in words is "thirteen billion, four hundred sixty-nine million, four hundred twenty-three thousand, three hundred ninety-three".

Divisors: 1 6133 2196221 13469423393