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13226251541 = 41322591501
BaseRepresentation
bin11000101000101100…
…01001010100010101
31021010202112012020012
430110112021110111
5204041410022131
610024232250005
7645521166056
oct142426112425
937122465205
1013226251541
1156779685a8
122691540905
13132a21aa59
148d682272d
1552624452b
hex314589515

13226251541 has 4 divisors (see below), whose sum is σ = 13548843084. Its totient is φ = 12903660000.

The previous prime is 13226251517. The next prime is 13226251559. The reversal of 13226251541 is 14515262231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14515262231 = 38337898857.

It can be written as a sum of positive squares in 2 ways, for example, as 1745986225 + 11480265316 = 41785^2 + 107146^2 .

It is a cyclic number.

It is not a de Polignac number, because 13226251541 - 218 = 13225989397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13226251498 and 13226251507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226251741) 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, 161295710 + ... + 161295791.

It is an arithmetic number, because the mean of its divisors is an integer number (3387210771).

Almost surely, 213226251541 is an apocalyptic number.

It is an amenable number.

13226251541 is a deficient number, since it is larger than the sum of its proper divisors (322591543).

13226251541 is an equidigital number, since it uses as much as digits as its factorization.

13226251541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322591542.

The product of its digits is 14400, while the sum is 32.

The spelling of 13226251541 in words is "thirteen billion, two hundred twenty-six million, two hundred fifty-one thousand, five hundred forty-one".

Divisors: 1 41 322591501 13226251541