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12685110163439 = 72339774757843
BaseRepresentation
bin1011100010010111101101…
…1111000011011111101111
31122220200111010201102200012
42320211323133003133233
53130313101200212224
642551243102323435
72446316566221560
oct270457337033757
948820433642605
1012685110163439
1140507a7a9494a
12150a56188957b
1371027c0a233c
1431bd69578167
1516ee7ebc480e
hexb897b7c37ef

12685110163439 has 8 divisors (see below), whose sum is σ = 14503466839680. Its totient is φ = 10868303007576.

The previous prime is 12685110163373. The next prime is 12685110163469. The reversal of 12685110163439 is 93436101158621.

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

It is a de Polignac number, because none of the positive numbers 2k-12685110163439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685110163469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387362549 + ... + 387395294.

It is an arithmetic number, because the mean of its divisors is an integer number (1812933354960).

Almost surely, 212685110163439 is an apocalyptic number.

12685110163439 is a deficient number, since it is larger than the sum of its proper divisors (1818356676241).

12685110163439 is an equidigital number, since it uses as much as digits as its factorization.

12685110163439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774760189.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 12685110163439 in words is "twelve trillion, six hundred eighty-five billion, one hundred ten million, one hundred sixty-three thousand, four hundred thirty-nine".

Divisors: 1 7 2339 16373 774757843 5423304901 1812158594777 12685110163439