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13541403431 = 171097307827
BaseRepresentation
bin11001001110010000…
…10110101100100111
31021221201112120100102
430213020112230213
5210213044402211
610115411134315
7656366013203
oct144710265447
937851476312
1013541403431
115819850906
12275aba439b
13137a5c236a
1492661bb03
15543c47a3b
hex327216b27

13541403431 has 8 divisors (see below), whose sum is σ = 14469499440. Its totient is φ = 12627923328.

The previous prime is 13541403383. The next prime is 13541403439. The reversal of 13541403431 is 13430414531.

It is a happy number.

13541403431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13541403431 - 26 = 13541403367 is a prime.

It is a super-2 number, since 2×135414034312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13541403394 and 13541403403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13541403439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652061 + ... + 3655766.

It is an arithmetic number, because the mean of its divisors is an integer number (1808687430).

Almost surely, 213541403431 is an apocalyptic number.

13541403431 is a deficient number, since it is larger than the sum of its proper divisors (928096009).

13541403431 is a wasteful number, since it uses less digits than its factorization.

13541403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307953.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 13541403431 its reverse (13430414531), we get a palindrome (26971817962).

The spelling of 13541403431 in words is "thirteen billion, five hundred forty-one million, four hundred three thousand, four hundred thirty-one".

Divisors: 1 17 109 1853 7307827 124233059 796553143 13541403431