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253021330452000 = 253531112311557131
BaseRepresentation
bin111001100001111100011110…
…100001011010111000100000
31020011212121021120001211110010
4321201330132201122320200
5231131000141043431000
62254044221120004520
7104203121304120525
oct7141743641327040
91204777246054403
10253021330452000
117369081a873440
122446528b760740
13ab24a69727286
14466a424db714c
151e3b9eadb6d50
hexe61f1e85ae20

253021330452000 has 384 divisors, whose sum is σ = 904987379552256. Its totient is φ = 61288636800000.

The previous prime is 253021330451951. The next prime is 253021330452031. The reversal of 253021330452000 is 254033120352.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161713435 + ... + 163270565.

It is an arithmetic number, because the mean of its divisors is an integer number (2356737967584).

Almost surely, 2253021330452000 is an apocalyptic number.

253021330452000 is a gapful number since it is divisible by the number (20) 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 253021330452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452493689776128).

253021330452000 is an abundant number, since it is smaller than the sum of its proper divisors (651966049100256).

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

253021330452000 is a wasteful number, since it uses less digits than its factorization.

253021330452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558401 (or 1558383 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 253021330452000 its reverse (254033120352), we get a palindrome (253275363572352).

The spelling of 253021330452000 in words is "two hundred fifty-three trillion, twenty-one billion, three hundred thirty million, four hundred fifty-two thousand".