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13064563441 = 53773318889
BaseRepresentation
bin11000010101011010…
…10110101011110001
31020201111021120212001
430022231112223301
5203224012012231
610000214534001
7641515646146
oct141255265361
936644246761
1013064563441
1155a4672976
122647367301
131302888b17
148bd1743cd
15516e56b61
hex30ab56af1

13064563441 has 8 divisors (see below), whose sum is σ = 13328326440. Its totient is φ = 12801439872.

The previous prime is 13064563439. The next prime is 13064563471. The reversal of 13064563441 is 14436546031.

It can be written as a sum of positive squares in 4 ways, for example, as 846577216 + 12217986225 = 29096^2 + 110535^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13064563441 - 21 = 13064563439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13064563441.

It is not an unprimeable number, because it can be changed into a prime (13064563471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118476 + ... + 200413.

It is an arithmetic number, because the mean of its divisors is an integer number (1666040805).

Almost surely, 213064563441 is an apocalyptic number.

It is an amenable number.

13064563441 is a deficient number, since it is larger than the sum of its proper divisors (263762999).

13064563441 is an equidigital number, since it uses as much as digits as its factorization.

13064563441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319715.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 13064563441 in words is "thirteen billion, sixty-four million, five hundred sixty-three thousand, four hundred forty-one".

Divisors: 1 53 773 40969 318889 16901117 246501197 13064563441