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13241401013 = 73091811657
BaseRepresentation
bin11000101010011111…
…11011111010110101
31021011211000212101202
430111033323322311
5204104244313023
610025533102245
7646064023451
oct142517737265
937154025352
1013241401013
115685475625
122696627985
1313303c3439
148d8847661
15527738128
hex3153fbeb5

13241401013 has 4 divisors (see below), whose sum is σ = 13243219980. Its totient is φ = 13239582048.

The previous prime is 13241400989. The next prime is 13241401027. The reversal of 13241401013 is 31010414231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31010414231 = 79392536889.

It can be written as a sum of positive squares in 2 ways, for example, as 6649097764 + 6592303249 = 81542^2 + 81193^2 .

It is a cyclic number.

It is not a de Polignac number, because 13241401013 - 216 = 13241335477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13241400013) 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, 898520 + ... + 913137.

It is an arithmetic number, because the mean of its divisors is an integer number (3310804995).

Almost surely, 213241401013 is an apocalyptic number.

It is an amenable number.

13241401013 is a deficient number, since it is larger than the sum of its proper divisors (1818967).

13241401013 is an equidigital number, since it uses as much as digits as its factorization.

13241401013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818966.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13241401013 its reverse (31010414231), we get a palindrome (44251815244).

The spelling of 13241401013 in words is "thirteen billion, two hundred forty-one million, four hundred one thousand, thirteen".

Divisors: 1 7309 1811657 13241401013