Search a number
-
+
164647204884 = 22324573533469
BaseRepresentation
bin1001100101010110111…
…1001111100000010100
3120201222112202121122100
42121111233033200110
510144144141024014
6203345441002100
714616053102331
oct2312557174024
9521875677570
10164647204884
1163910066a58
1227ab0023330
13126abca3cb6
147d7cbbb988
154439957009
hex2655bcf814

164647204884 has 18 divisors (see below), whose sum is σ = 416191545770. Its totient is φ = 54882401616.

The previous prime is 164647204877. The next prime is 164647204937. The reversal of 164647204884 is 488402746461.

164647204884 is a `hidden beast` number, since 16 + 46 + 472 + 0 + 48 + 84 = 666.

164647204884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 161073795600 + 3573409284 = 401340^2 + 59778^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1646472048842 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 164647204884.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2286766699 + ... + 2286766770.

Almost surely, 2164647204884 is an apocalyptic number.

It is an amenable number.

164647204884 is an abundant number, since it is smaller than the sum of its proper divisors (251544340886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164647204884 is a wasteful number, since it uses less digits than its factorization.

164647204884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573533479 (or 4573533474 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 164647204884 in words is "one hundred sixty-four billion, six hundred forty-seven million, two hundred four thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 4573533469 9147066938 13720600407 18294133876 27441200814 41161801221 54882401628 82323602442 164647204884