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13431850071 = 35464781931
BaseRepresentation
bin11001000001001100…
…11100010001010111
31021200002101200101120
430200212130101113
5210002023200241
610100455055023
7653565561513
oct144046342127
937602350346
1013431850071
115772a24842
12272a371473
1313609b53a3
14915c61143
15539307666
hex32099c457

13431850071 has 8 divisors (see below), whose sum is σ = 17909679744. Its totient is φ = 8954293560.

The previous prime is 13431850039. The next prime is 13431850099. The reversal of 13431850071 is 17005813431.

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

It is not a de Polignac number, because 13431850071 - 25 = 13431850039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431850171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122976 + ... + 204906.

It is an arithmetic number, because the mean of its divisors is an integer number (2238709968).

Almost surely, 213431850071 is an apocalyptic number.

13431850071 is a deficient number, since it is larger than the sum of its proper divisors (4477829673).

13431850071 is an equidigital number, since it uses as much as digits as its factorization.

13431850071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136581.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 13431850071 in words is "thirteen billion, four hundred thirty-one million, eight hundred fifty thousand, seventy-one".

Divisors: 1 3 54647 81931 163941 245793 4477283357 13431850071