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29697696882 = 232717193123539
BaseRepresentation
bin11011101010000111…
…101110010001110010
32211122200110022110100
4123222013232101302
5441310102300012
621350512413230
72100636154440
oct335207562162
984580408410
1029697696882
111165a637247
125909847216
132a5386bc09
14161a235b90
15b8c3128dc
hex6ea1ee472

29697696882 has 192 divisors, whose sum is σ = 84608409600. Its totient is φ = 7321259520.

The previous prime is 29697696823. The next prime is 29697696887. The reversal of 29697696882 is 28869679692.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29697696882.

It is not an unprimeable number, because it can be changed into a prime (29697696887) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 1249869 + ... + 1273407.

It is an arithmetic number, because the mean of its divisors is an integer number (440668800).

Almost surely, 229697696882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29697696882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42304204800).

29697696882 is an abundant number, since it is smaller than the sum of its proper divisors (54910712718).

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

29697696882 is a wasteful number, since it uses less digits than its factorization.

29697696882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23621 (or 23618 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 72.

The spelling of 29697696882 in words is "twenty-nine billion, six hundred ninety-seven million, six hundred ninety-six thousand, eight hundred eighty-two".