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164711109 = 3197337827
BaseRepresentation
bin10011101000101…
…00101011000101
3102110221012011110
421310110223011
5314131223414
624202155233
74040010213
oct1164245305
9373835143
10164711109
1184a7a992
12471b2b19
132817cbc4
1417c37cb3
15e6d8459
hex9d14ac5

164711109 has 16 divisors (see below), whose sum is σ = 221652288. Its totient is φ = 108794112.

The previous prime is 164711101. The next prime is 164711117. The reversal of 164711109 is 901117461.

It is an interprime number because it is at equal distance from previous prime (164711101) and next prime (164711117).

It is not a de Polignac number, because 164711109 - 23 = 164711101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164711101) 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 15 ways as a sum of consecutive naturals, for example, 198754 + ... + 199580.

It is an arithmetic number, because the mean of its divisors is an integer number (13853268).

Almost surely, 2164711109 is an apocalyptic number.

It is an amenable number.

164711109 is a deficient number, since it is larger than the sum of its proper divisors (56941179).

164711109 is a wasteful number, since it uses less digits than its factorization.

164711109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 164711109 is about 12833.9825853084. The cubic root of 164711109 is about 548.1603649605.

The spelling of 164711109 in words is "one hundred sixty-four million, seven hundred eleven thousand, one hundred nine".

Divisors: 1 3 197 337 591 827 1011 2481 66389 162919 199167 278699 488757 836097 54903703 164711109