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12346389687 = 337243110503
BaseRepresentation
bin10110111111110011…
…01111010010110111
31011212102220120200010
423133321233102313
5200241133432222
65401041551303
7614645403132
oct133771572267
934772816603
1012346389687
115266240345
122486945533
131219b55638
14851a29219
154c3d9480c
hex2dfe6f4b7

12346389687 has 8 divisors (see below), whose sum is σ = 16462443904. Its totient is φ = 8230630968.

The previous prime is 12346389667. The next prime is 12346389703. The reversal of 12346389687 is 78698364321.

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

It is not a de Polignac number, because 12346389687 - 212 = 12346385591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12346389667) 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, 56478 + ... + 166980.

It is an arithmetic number, because the mean of its divisors is an integer number (2057805488).

Almost surely, 212346389687 is an apocalyptic number.

12346389687 is a deficient number, since it is larger than the sum of its proper divisors (4116054217).

12346389687 is a wasteful number, since it uses less digits than its factorization.

12346389687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147749.

The product of its digits is 10450944, while the sum is 57.

The spelling of 12346389687 in words is "twelve billion, three hundred forty-six million, three hundred eighty-nine thousand, six hundred eighty-seven".

Divisors: 1 3 37243 110503 111729 331509 4115463229 12346389687