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13204040400415 = 511237907297403
BaseRepresentation
bin1100000000100100111000…
…1000110011111000011111
31201202021221021111211011201
43000021032020303320133
53212313333320303130
644025504042300331
72531650300365424
oct300111610637037
951667837454151
1013204040400415
114230890639597
1215930464b76a7
1374a19c0a2b67
14339116975d4b
1517d7026b1bca
hexc024e233e1f

13204040400415 has 16 divisors (see below), whose sum is σ = 15861016891008. Its totient is φ = 10552455831456.

The previous prime is 13204040400413. The next prime is 13204040400461. The reversal of 13204040400415 is 51400404040231.

It is a cyclic number.

It is not a de Polignac number, because 13204040400415 - 21 = 13204040400413 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 (13204040400413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44249104 + ... + 44546506.

It is an arithmetic number, because the mean of its divisors is an integer number (991313555688).

Almost surely, 213204040400415 is an apocalyptic number.

13204040400415 is a deficient number, since it is larger than the sum of its proper divisors (2656976490593).

13204040400415 is a wasteful number, since it uses less digits than its factorization.

13204040400415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306438.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 13204040400415 its reverse (51400404040231), we get a palindrome (64604444440646).

The spelling of 13204040400415 in words is "thirteen trillion, two hundred four billion, forty million, four hundred thousand, four hundred fifteen".

Divisors: 1 5 1123 5615 7907 39535 297403 1487015 8879561 44397805 333983569 1669917845 2351565521 11757827605 2640808080083 13204040400415