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13185211663396 = 2210730806569307
BaseRepresentation
bin1011111111011110101111…
…0110111000010000100100
31201200111100001220212200101
42333313223312320100210
53212011303141212041
644013111433153444
72530412556641413
oct277675366702044
951614301825611
1013185211663396
1142238a9278803
12158b47085b884
1374848b26a556
1433824c05d47a
1517ce9e6a6b31
hexbfdebdb8424

13185211663396 has 12 divisors (see below), whose sum is σ = 23289766396848. Its totient is φ = 6530992692872.

The previous prime is 13185211663333. The next prime is 13185211663397. The reversal of 13185211663396 is 69336611258131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13185211663397) 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, 15403284226 + ... + 15403285081.

It is an arithmetic number, because the mean of its divisors is an integer number (1940813866404).

Almost surely, 213185211663396 is an apocalyptic number.

It is an amenable number.

13185211663396 is a deficient number, since it is larger than the sum of its proper divisors (10104554733452).

13185211663396 is a wasteful number, since it uses less digits than its factorization.

13185211663396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806569418 (or 30806569416 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The spelling of 13185211663396 in words is "thirteen trillion, one hundred eighty-five billion, two hundred eleven million, six hundred sixty-three thousand, three hundred ninety-six".

Divisors: 1 2 4 107 214 428 30806569307 61613138614 123226277228 3296302915849 6592605831698 13185211663396