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13431543671 = 713147599381
BaseRepresentation
bin11001000001001010…
…10001011101110111
31021200001211010002102
430200211101131313
5210001433344141
610100444332315
7653563144310
oct144045213567
937601733072
1013431543671
115772835617
12272a24409b
131360908aa0
14915bc1607
1553929699b
hex320951777

13431543671 has 8 divisors (see below), whose sum is σ = 16531130784. Its totient is φ = 10627155360.

The previous prime is 13431543661. The next prime is 13431543689. The reversal of 13431543671 is 17634513431.

13431543671 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 13431543671 - 26 = 13431543607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431543661) 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, 73799600 + ... + 73799781.

It is an arithmetic number, because the mean of its divisors is an integer number (2066391348).

Almost surely, 213431543671 is an apocalyptic number.

13431543671 is a deficient number, since it is larger than the sum of its proper divisors (3099587113).

13431543671 is a wasteful number, since it uses less digits than its factorization.

13431543671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147599401.

The product of its digits is 90720, while the sum is 38.

The spelling of 13431543671 in words is "thirteen billion, four hundred thirty-one million, five hundred forty-three thousand, six hundred seventy-one".

Divisors: 1 7 13 91 147599381 1033195667 1918791953 13431543671