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108396343697 = 187135792569
BaseRepresentation
bin110010011110011101…
…1001111000110010001
3101100210022211210111012
41210330323033012101
53233443430444242
6121444021500305
710555106501435
oct1447473170621
9340708753435
10108396343697
1141a74a01424
1219011871695
13a2b61b3b55
14536421a9c5
152c46425282
hex193cecf191

108396343697 has 4 divisors (see below), whose sum is σ = 108402154980. Its totient is φ = 108390532416.

The previous prime is 108396343673. The next prime is 108396343703. The reversal of 108396343697 is 796343693801.

It is a happy number.

It is a Cunningham number, because it is equal to 3292362+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85968585616 + 22427758081 = 293204^2 + 149759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-108396343697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108396343897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2877572 + ... + 2914997.

It is an arithmetic number, because the mean of its divisors is an integer number (27100538745).

Almost surely, 2108396343697 is an apocalyptic number.

It is an amenable number.

108396343697 is a deficient number, since it is larger than the sum of its proper divisors (5811283).

108396343697 is an equidigital number, since it uses as much as digits as its factorization.

108396343697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811282.

The product of its (nonzero) digits is 17635968, while the sum is 59.

It can be divided in two parts, 10839 and 6343697, that added together give a palindrome (6354536).

The spelling of 108396343697 in words is "one hundred eight billion, three hundred ninety-six million, three hundred forty-three thousand, six hundred ninety-seven".

Divisors: 1 18713 5792569 108396343697