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109213141 is a prime number
BaseRepresentation
bin1101000001001…
…11010111010101
321121111121021011
412200213113111
5210424310031
614500452221
72464203442
oct640472725
9247447234
10109213141
11567144a4
12306aa071
131981b17b
141070c9c9
1598c46b1
hex68275d5

109213141 has 2 divisors, whose sum is σ = 109213142. Its totient is φ = 109213140.

The previous prime is 109213129. The next prime is 109213171. The reversal of 109213141 is 141312901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107640625 + 1572516 = 10375^2 + 1254^2 .

It is an emirp because it is prime and its reverse (141312901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109213141 - 25 = 109213109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109213171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54606570 + 54606571.

It is an arithmetic number, because the mean of its divisors is an integer number (54606571).

Almost surely, 2109213141 is an apocalyptic number.

It is an amenable number.

109213141 is a deficient number, since it is larger than the sum of its proper divisors (1).

109213141 is an equidigital number, since it uses as much as digits as its factorization.

109213141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 109213141 is about 10450.5091263536. The cubic root of 109213141 is about 477.9967743694.

The spelling of 109213141 in words is "one hundred nine million, two hundred thirteen thousand, one hundred forty-one".