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5128222968 = 23331121923449
BaseRepresentation
bin1001100011010101…
…00111100011111000
3111020101122201102000
410301222213203320
541000311113333
62204511341000
7241040114241
oct46152474370
914211581360
105128222968
1121a1825900
12bb1521760
136395a457b
1436911bcc8
15200333713
hex131aa78f8

5128222968 has 384 divisors, whose sum is σ = 17236800000. Its totient is φ = 1405071360.

The previous prime is 5128222963. The next prime is 5128222997. The reversal of 5128222968 is 8692228215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5128222961) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 11421208 + ... + 11421656.

It is an arithmetic number, because the mean of its divisors is an integer number (44887500).

Almost surely, 25128222968 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 5128222968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8618400000).

5128222968 is an abundant number, since it is smaller than the sum of its proper divisors (12108577032).

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

5128222968 is a wasteful number, since it uses less digits than its factorization.

5128222968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 507 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 5128222968 is about 71611.6119634239. The cubic root of 5128222968 is about 1724.4699588900.

The spelling of 5128222968 in words is "five billion, one hundred twenty-eight million, two hundred twenty-two thousand, nine hundred sixty-eight".