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164136413085 = 3579149929609
BaseRepresentation
bin1001100011011101001…
…0101110011110011101
3120200122221121201000120
42120313102232132131
510142122410204320
6203223032545153
714600311330401
oct2306722563635
9520587551016
10164136413085
11636787a9577
1227988b521b9
131262a210b28
147d31017101
154409bab440
hex26374ae79d

164136413085 has 32 divisors (see below), whose sum is σ = 267727680000. Its totient is φ = 85851158016.

The previous prime is 164136413081. The next prime is 164136413099. The reversal of 164136413085 is 580314631461.

It is not a de Polignac number, because 164136413085 - 22 = 164136413081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164136413081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288240 + ... + 641369.

It is an arithmetic number, because the mean of its divisors is an integer number (8366490000).

Almost surely, 2164136413085 is an apocalyptic number.

164136413085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164136413085 is a deficient number, since it is larger than the sum of its proper divisors (103591266915).

164136413085 is a wasteful number, since it uses less digits than its factorization.

164136413085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929845.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 164136413085 in words is "one hundred sixty-four billion, one hundred thirty-six million, four hundred thirteen thousand, eighty-five".

Divisors: 1 3 5 15 79 149 237 395 447 745 1185 2235 11771 35313 58855 176565 929609 2788827 4648045 13944135 73439111 138511741 220317333 367195555 415535223 692558705 1101586665 2077676115 10942427539 32827282617 54712137695 164136413085