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106668159407 = 195614113653
BaseRepresentation
bin110001101010111101…
…0101111000110101111
3101012022212221221022122
41203111322233012233
53221424022100112
6121000324503155
710464223252325
oct1432572570657
9335285857278
10106668159407
1141268438a47
121880ab4aabb
13a09c149bb4
14523c8b9d15
152b94855872
hex18d5eaf1af

106668159407 has 4 divisors (see below), whose sum is σ = 112282273080. Its totient is φ = 101054045736.

The previous prime is 106668159391. The next prime is 106668159413. The reversal of 106668159407 is 704951866601.

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

It is a cyclic number.

It is not a de Polignac number, because 106668159407 - 24 = 106668159391 is a prime.

It is a super-2 number, since 2×1066681594072 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106668159457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807056808 + ... + 2807056845.

It is an arithmetic number, because the mean of its divisors is an integer number (28070568270).

Almost surely, 2106668159407 is an apocalyptic number.

106668159407 is a deficient number, since it is larger than the sum of its proper divisors (5614113673).

106668159407 is an equidigital number, since it uses as much as digits as its factorization.

106668159407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614113672.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 106668159407 in words is "one hundred six billion, six hundred sixty-eight million, one hundred fifty-nine thousand, four hundred seven".

Divisors: 1 19 5614113653 106668159407