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13100434215 = 3511251316321
BaseRepresentation
bin11000011001101100…
…01100001100100111
31020210222210000022020
430030312030030213
5203312202343330
610003535434223
7642432565521
oct141466141447
936728700266
1013100434215
115612943140
122657385973
13130a13802b
148c3c30a11
1551a190210
hex30cd8c327

13100434215 has 32 divisors (see below), whose sum is σ = 22957385472. Its totient is φ = 6326400000.

The previous prime is 13100434213. The next prime is 13100434253. The reversal of 13100434215 is 51243400131.

It is a happy number.

It is not a de Polignac number, because 13100434215 - 21 = 13100434213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100434211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116746 + ... + 199575.

It is an arithmetic number, because the mean of its divisors is an integer number (717418296).

Almost surely, 213100434215 is an apocalyptic number.

13100434215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13100434215 is a deficient number, since it is larger than the sum of its proper divisors (9856951257).

13100434215 is a wasteful number, since it uses less digits than its factorization.

13100434215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316591.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13100434215 its reverse (51243400131), we get a palindrome (64343834346).

The spelling of 13100434215 in words is "thirteen billion, one hundred million, four hundred thirty-four thousand, two hundred fifteen".

Divisors: 1 3 5 11 15 33 55 165 251 753 1255 2761 3765 8283 13805 41415 316321 948963 1581605 3479531 4744815 10438593 17397655 52192965 79396571 238189713 396982855 873362281 1190948565 2620086843 4366811405 13100434215