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29691028224 = 28341113171931
BaseRepresentation
bin11011101001101110…
…010010001100000000
32211122012220111210000
4123221232102030000
5441301400400344
621350113440000
72100525401334
oct335156221400
984565814700
1029691028224
11116568a1a60
125907570000
132a52375770
1416193bb7c4
15b8b946a69
hex6e9b92300

29691028224 has 1440 divisors, whose sum is σ = 119665244160. Its totient is φ = 7166361600.

The previous prime is 29691028183. The next prime is 29691028249. The reversal of 29691028224 is 42282019692.

It is a self number, because there is not a number n which added to its sum of digits gives 29691028224.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 957775089 + ... + 957775119.

It is an arithmetic number, because the mean of its divisors is an integer number (83100864).

Almost surely, 229691028224 is an apocalyptic number.

29691028224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29691028224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59832622080).

29691028224 is an abundant number, since it is smaller than the sum of its proper divisors (89974215936).

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

29691028224 is a wasteful number, since it uses less digits than its factorization.

29691028224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 29691028224 in words is "twenty-nine billion, six hundred ninety-one million, twenty-eight thousand, two hundred twenty-four".