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13431413243 = 18175599817
BaseRepresentation
bin11001000001001001…
…10001100111111011
31021200001120111011202
430200210301213323
5210001420210433
610100441444415
7653562062123
oct144044614773
937601514152
1013431413243
115772756626
12272a1a070b
131360891601
14915b89c83
1553926cee8
hex3209319fb

13431413243 has 8 divisors (see below), whose sum is σ = 13508782560. Its totient is φ = 13354079040.

The previous prime is 13431413239. The next prime is 13431413263. The reversal of 13431413243 is 34231413431.

It is a happy number.

13431413243 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 13431413243 - 22 = 13431413239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13431413263) 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, 1363271 + ... + 1373087.

It is an arithmetic number, because the mean of its divisors is an integer number (1688597820).

Almost surely, 213431413243 is an apocalyptic number.

13431413243 is a deficient number, since it is larger than the sum of its proper divisors (77369317).

13431413243 is an equidigital number, since it uses as much as digits as its factorization.

13431413243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17557.

The product of its digits is 10368, while the sum is 29.

Adding to 13431413243 its reverse (34231413431), we get a palindrome (47662826674).

The spelling of 13431413243 in words is "thirteen billion, four hundred thirty-one million, four hundred thirteen thousand, two hundred forty-three".

Divisors: 1 181 7559 9817 1368179 1776877 74206703 13431413243