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109141271 = 7113911059
BaseRepresentation
bin1101000000101…
…01110100010111
321121100221200022
412200111310113
5210420010041
614455135355
72463454061
oct640256427
9247327608
10109141271
11566754a8
123067455b
13197c4545
14106d0731
1598ad24b
hex6815d17

109141271 has 8 divisors (see below), whose sum is σ = 111484800. Its totient is φ = 106820280.

The previous prime is 109141259. The next prime is 109141321. The reversal of 109141271 is 172141901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109141271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109141271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109140271) 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, 4340 + ... + 15398.

It is an arithmetic number, because the mean of its divisors is an integer number (13935600).

Almost surely, 2109141271 is an apocalyptic number.

109141271 is a deficient number, since it is larger than the sum of its proper divisors (2343529).

109141271 is a wasteful number, since it uses less digits than its factorization.

109141271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11269.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 109141271 is about 10447.0699720065. The cubic root of 109141271 is about 477.8918994239.

The spelling of 109141271 in words is "one hundred nine million, one hundred forty-one thousand, two hundred seventy-one".

Divisors: 1 71 139 9869 11059 785189 1537201 109141271