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13422432242 = 26711216121
BaseRepresentation
bin11001000000000101…
…00000111111110010
31021122102200012120002
430200002200333302
5204442120312432
610055521150002
7653422535342
oct144002407762
937572605502
1013422432242
11576868200a
12272718b302
13135ba687cb
149148ccd22
15538596e62
hex3200a0ff2

13422432242 has 4 divisors (see below), whose sum is σ = 20133648366. Its totient is φ = 6711216120.

The previous prime is 13422432227. The next prime is 13422432251. The reversal of 13422432242 is 24223422431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24223422431 = 131863340187.

It can be written as a sum of positive squares in only one way, i.e., 9502545361 + 3919886881 = 97481^2 + 62609^2 .

It is a super-2 number, since 2×134224322422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355608059 + ... + 3355608062.

Almost surely, 213422432242 is an apocalyptic number.

13422432242 is a deficient number, since it is larger than the sum of its proper divisors (6711216124).

13422432242 is an equidigital number, since it uses as much as digits as its factorization.

13422432242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711216123.

The product of its digits is 18432, while the sum is 29.

Adding to 13422432242 its reverse (24223422431), we get a palindrome (37645854673).

The spelling of 13422432242 in words is "thirteen billion, four hundred twenty-two million, four hundred thirty-two thousand, two hundred forty-two".

Divisors: 1 2 6711216121 13422432242