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108138011 = 1311674943
BaseRepresentation
bin1100111001000…
…00111000011011
321112110222110112
412130200320123
5210140404021
614421434535
72452105112
oct634407033
9245428415
10108138011
115604a763
123026ba4b
13195329b7
141050cc79
159760d5b
hex6720e1b

108138011 has 8 divisors (see below), whose sum is σ = 109638144. Its totient is φ = 106648360.

The previous prime is 108138007. The next prime is 108138029. The reversal of 108138011 is 110831801.

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

It is a cyclic number.

It is not a de Polignac number, because 108138011 - 22 = 108138007 is a prime.

It is a super-2 number, since 2×1081380112 = 23387658846072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108138001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19406 + ... + 24348.

It is an arithmetic number, because the mean of its divisors is an integer number (13704768).

Almost surely, 2108138011 is an apocalyptic number.

108138011 is a deficient number, since it is larger than the sum of its proper divisors (1500133).

108138011 is a wasteful number, since it uses less digits than its factorization.

108138011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 108138011 is about 10398.9427828025. The cubic root of 108138011 is about 476.4230799923.

Adding to 108138011 its reverse (110831801), we get a palindrome (218969812).

The spelling of 108138011 in words is "one hundred eight million, one hundred thirty-eight thousand, eleven".

Divisors: 1 131 167 4943 21877 647533 825481 108138011