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29015932068 = 22322160137313
BaseRepresentation
bin11011000001011110…
…111111110010100100
32202220011121001221200
4123001132333302210
5433411034311233
621155120042500
72045020232064
oct330136776244
982804531850
1029015932068
111133a812252
125759463430
132975545896
1415938873a4
15b4c543313
hex6c17bfca4

29015932068 has 36 divisors (see below), whose sum is σ = 73351189548. Its totient is φ = 9671270400.

The previous prime is 29015932067. The next prime is 29015932091. The reversal of 29015932068 is 86023951092.

29015932068 is a `hidden beast` number, since 290 + 159 + 3 + 206 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27808230564 + 1207701504 = 166758^2 + 34752^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (29015932067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758980 + ... + 796292.

It is an arithmetic number, because the mean of its divisors is an integer number (2037533043).

Almost surely, 229015932068 is an apocalyptic number.

It is an amenable number.

29015932068 is an abundant number, since it is smaller than the sum of its proper divisors (44335257480).

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

29015932068 is a wasteful number, since it uses less digits than its factorization.

29015932068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58924 (or 58919 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 29015932068 in words is "twenty-nine billion, fifteen million, nine hundred thirty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 21601 37313 43202 64803 74626 86404 111939 129606 149252 194409 223878 259212 335817 388818 447756 671634 777636 1343268 805998113 1611996226 2417994339 3223992452 4835988678 7253983017 9671977356 14507966034 29015932068