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5129409008880 = 24335132940915401
BaseRepresentation
bin100101010100100100010…
…0110100001010011110000
3200011100220022222220122000
41022221020212201103300
51133020012201241010
614524230140414000
71036405352121252
oct112511046412360
920140808886560
105129409008880
1116a8408731282
126aa144847300
132b29166a58c0
1413a39c571cd2
158d6637467c0
hex4aa489a14f0

5129409008880 has 640 divisors, whose sum is σ = 19732549536000. Its totient is φ = 1216025395200.

The previous prime is 5129409008873. The next prime is 5129409008957. The reversal of 5129409008880 is 888009049215.

5129409008880 is a `hidden beast` number, since 512 + 9 + 40 + 9 + 0 + 0 + 8 + 8 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

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, 333049180 + ... + 333064580.

It is an arithmetic number, because the mean of its divisors is an integer number (30832108650).

Almost surely, 25129409008880 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 5129409008880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9866274768000).

5129409008880 is an abundant number, since it is smaller than the sum of its proper divisors (14603140527120).

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

5129409008880 is a wasteful number, since it uses less digits than its factorization.

5129409008880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15874 (or 15862 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 5129409008880 in words is "five trillion, one hundred twenty-nine billion, four hundred nine million, eight thousand, eight hundred eighty".