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5128273920 = 21435711271
BaseRepresentation
bin1001100011010101…
…10100000000000000
3111020101202022022010
410301222310000000
541000314231140
62204512412520
7241040415630
oct46152640000
914211668263
105128273920
1121a1860110
12bb1547140
136395c1813
143691326c0
15200343880
hex131ab4000

5128273920 has 480 divisors, whose sum is σ = 20534685696. Its totient is φ = 1061683200.

The previous prime is 5128273919. The next prime is 5128273937. The reversal of 5128273920 is 293728215.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18923385 + ... + 18923655.

Almost surely, 25128273920 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 5128273920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10267342848).

5128273920 is an abundant number, since it is smaller than the sum of its proper divisors (15406411776).

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

5128273920 is a wasteful number, since it uses less digits than its factorization.

5128273920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 5128273920 is about 71611.9677149008. The cubic root of 5128273920 is about 1724.4756700888.

The spelling of 5128273920 in words is "five billion, one hundred twenty-eight million, two hundred seventy-three thousand, nine hundred twenty".