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29942818884 = 2233111929149307
BaseRepresentation
bin11011111000101110…
…110010100001000100
32212021202200210122000
4123320232302201010
5442310330201014
621431110305300
72110003522026
oct337056624104
985252623560
1029942818884
1111775a39010
125977958230
132a92594214
141640a02016
15ba3ad1509
hex6f8bb2844

29942818884 has 384 divisors, whose sum is σ = 93139200000. Its totient is φ = 8217054720.

The previous prime is 29942818883. The next prime is 29942818897. The reversal of 29942818884 is 48881824992.

29942818884 is a `hidden beast` number, since 29 + 9 + 428 + 188 + 8 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (29942818883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 97533459 + ... + 97533765.

It is an arithmetic number, because the mean of its divisors is an integer number (242550000).

Almost surely, 229942818884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29942818884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46569600000).

29942818884 is an abundant number, since it is smaller than the sum of its proper divisors (63196381116).

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

29942818884 is a wasteful number, since it uses less digits than its factorization.

29942818884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 520 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 63.

The spelling of 29942818884 in words is "twenty-nine billion, nine hundred forty-two million, eight hundred eighteen thousand, eight hundred eighty-four".