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29793374208 = 2123313172353
BaseRepresentation
bin11011101111110100…
…101101000000000000
32211220100111020002000
4123233310231000000
5442004100433313
621404211224000
72103210334203
oct335764550000
984810436060
1029793374208
11116a9646014
1259358a8000
132a6a62b010
141628c1d93a
15b95911673
hex6efd2d000

29793374208 has 832 divisors, whose sum is σ = 107004602880. Its totient is φ = 8097103872.

The previous prime is 29793374207. The next prime is 29793374249. The reversal of 29793374208 is 80247339792.

It is a tau number, because it is divible by the number of its divisors (832).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29793374207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 562139110 + ... + 562139162.

Almost surely, 229793374208 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 29793374208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53502301440).

29793374208 is an abundant number, since it is smaller than the sum of its proper divisors (77211228672).

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

29793374208 is a wasteful number, since it uses less digits than its factorization.

29793374208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 29793374208 in words is "twenty-nine billion, seven hundred ninety-three million, three hundred seventy-four thousand, two hundred eight".