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108137165 = 5101214133
BaseRepresentation
bin1100111001000…
…00101011001101
321112110221022012
412130200223031
5210140342130
614421431005
72452102463
oct634405315
9245427265
10108137165
115604a064
123026b465
13195324b6
141050c833
159760995
hex6720acd

108137165 has 8 divisors (see below), whose sum is σ = 131050008. Its totient is φ = 85652800.

The previous prime is 108137149. The next prime is 108137179. The reversal of 108137165 is 561731801.

It can be written as a sum of positive squares in 4 ways, for example, as 45616516 + 62520649 = 6754^2 + 7907^2 .

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

It is not a de Polignac number, because 108137165 - 24 = 108137149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 106562 + ... + 107571.

It is an arithmetic number, because the mean of its divisors is an integer number (16381251).

Almost surely, 2108137165 is an apocalyptic number.

It is an amenable number.

108137165 is a deficient number, since it is larger than the sum of its proper divisors (22912843).

108137165 is a wasteful number, since it uses less digits than its factorization.

108137165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214239.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 108137165 is about 10398.9021055109. The cubic root of 108137165 is about 476.4218375831.

Adding to 108137165 its reverse (561731801), we get a palindrome (669868966).

The spelling of 108137165 in words is "one hundred eight million, one hundred thirty-seven thousand, one hundred sixty-five".

Divisors: 1 5 101 505 214133 1070665 21627433 108137165