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13213230330013 = 722593103994509
BaseRepresentation
bin1100000001000111000111…
…1001100111000010011101
31201210011122201222121121121
43000101301321213002131
53212441143431030023
644034024010330541
72532424110452200
oct300216171470235
951704581877547
1013213230330013
11423477706472a
121594990129a51
1374b004cc281c
143397492ab937
1517da8e3a8d5d
hexc0471e6709d

13213230330013 has 12 divisors (see below), whose sum is σ = 15376420259580. Its totient is φ = 11321258118912.

The previous prime is 13213230329989. The next prime is 13213230330017. The reversal of 13213230330013 is 31003303231231.

It can be written as a sum of positive squares in 2 ways, for example, as 2719537406404 + 10493692923609 = 1649102^2 + 3239397^2 .

It is not a de Polignac number, because 13213230330013 - 221 = 13213228232861 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 13213230330013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213230330017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51870198 + ... + 52124311.

It is an arithmetic number, because the mean of its divisors is an integer number (1281368354965).

Almost surely, 213213230330013 is an apocalyptic number.

It is an amenable number.

13213230330013 is a deficient number, since it is larger than the sum of its proper divisors (2163189929567).

13213230330013 is a wasteful number, since it uses less digits than its factorization.

13213230330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103997116 (or 103997109 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 13213230330013 its reverse (31003303231231), we get a palindrome (44216533561244).

The spelling of 13213230330013 in words is "thirteen trillion, two hundred thirteen billion, two hundred thirty million, three hundred thirty thousand, thirteen".

Divisors: 1 7 49 2593 18151 127057 103994509 727961563 5095730941 269657761837 1887604332859 13213230330013