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5057201520 = 243357595669
BaseRepresentation
bin1001011010110111…
…01100010101110000
3111001110000110022000
410231123230111300
540324120422040
62153453214000
7236215334520
oct45533542560
914043013260
105057201520
112165727398
12b91791300
13627968b47
1435d911680
151e8ea5130
hex12d6ec570

5057201520 has 320 divisors, whose sum is σ = 20248704000. Its totient is φ = 1136139264.

The previous prime is 5057201507. The next prime is 5057201549. The reversal of 5057201520 is 251027505.

It is a happy number.

5057201520 is a `hidden beast` number, since 505 + 7 + 2 + 0 + 152 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

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 63 ways as a sum of consecutive naturals, for example, 889246 + ... + 894914.

It is an arithmetic number, because the mean of its divisors is an integer number (63277200).

Almost surely, 25057201520 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 5057201520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10124352000).

5057201520 is an abundant number, since it is smaller than the sum of its proper divisors (15191502480).

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

5057201520 is a wasteful number, since it uses less digits than its factorization.

5057201520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757 (or 5745 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 5057201520 is about 71114.0036842252. The cubic root of 5057201520 is about 1716.4721181273.

The spelling of 5057201520 in words is "five billion, fifty-seven million, two hundred one thousand, five hundred twenty".