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5281297732620 = 223257213411123427
BaseRepresentation
bin100110011011010010111…
…1000000001010000001100
3200200212221201102112101200
41030312211320001100030
51143012044204420440
615122110015105500
71053363324015600
oct114664570012014
920625851375350
105281297732620
111756870983538
12713673b12290
132c404133b170
1414388aad3500
15925a3057c30
hex4cda5e0140c

5281297732620 has 432 divisors, whose sum is σ = 20558435815008. Its totient is φ = 1087116871680.

The previous prime is 5281297732591. The next prime is 5281297732649. The reversal of 5281297732620 is 262377921825.

5281297732620 is a `hidden beast` number, since 5 + 2 + 8 + 1 + 2 + 9 + 7 + 7 + 3 + 2 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (5281297732591) and next prime (5281297732649).

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 143 ways as a sum of consecutive naturals, for example, 4139347 + ... + 5262773.

It is an arithmetic number, because the mean of its divisors is an integer number (47588971794).

Almost surely, 25281297732620 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 5281297732620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10279217907504).

5281297732620 is an abundant number, since it is smaller than the sum of its proper divisors (15277138082388).

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

5281297732620 is a wasteful number, since it uses less digits than its factorization.

5281297732620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123510 (or 1123498 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 5281297732620 in words is "five trillion, two hundred eighty-one billion, two hundred ninety-seven million, seven hundred thirty-two thousand, six hundred twenty".