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13465545013161 = 3219138952138651
BaseRepresentation
bin1100001111110011000100…
…0001101111011110101001
31202200021220222120120002100
43003330301001233132221
53231104414010410121
644345552545524013
72556565521046263
oct303746101573651
952607828516070
1013465545013161
11432178412865a
121615867943609
13768a45797bc7
14347a43290b33
1518540a4e5026
hexc3f3106f7a9

13465545013161 has 48 divisors (see below), whose sum is σ = 19640460303360. Its totient is φ = 8889747360000.

The previous prime is 13465545013133. The next prime is 13465545013177. The reversal of 13465545013161 is 16131054556431.

13465545013161 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 5 + 5 + 450 + 131 + 61 = 666.

It is not a de Polignac number, because 13465545013161 - 26 = 13465545013097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13465545013181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348368686 + ... + 348407336.

It is an arithmetic number, because the mean of its divisors is an integer number (409176256320).

Almost surely, 213465545013161 is an apocalyptic number.

It is an amenable number.

13465545013161 is a deficient number, since it is larger than the sum of its proper divisors (6174915290199).

13465545013161 is a wasteful number, since it uses less digits than its factorization.

13465545013161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39758 (or 39755 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

Adding to 13465545013161 its reverse (16131054556431), we get a palindrome (29596599569592).

The spelling of 13465545013161 in words is "thirteen trillion, four hundred sixty-five billion, five hundred forty-five million, thirteen thousand, one hundred sixty-one".

Divisors: 1 3 9 191 389 521 573 1167 1563 1719 3501 4689 38651 74299 99511 115953 202669 222897 298533 347859 608007 668691 895599 1824021 7382341 15035239 20137171 22147023 38709779 45105717 60411513 66441069 116129337 135317151 181234539 348388011 2871730649 3846199661 7833359519 8615191947 11538598983 23500078557 25845575841 34615796949 70500235671 1496171668129 4488515004387 13465545013161