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5081518800 = 243552232273
BaseRepresentation
bin1001011101110000…
…11101001011010000
3111010010202220100000
410232320131023100
540401332100200
62200122330000
7236632124421
oct45670351320
914103686300
105081518800
112178426316
12b99959900
1362ca01377
14362c41648
151eb1aa300
hex12ee1d2d0

5081518800 has 360 divisors, whose sum is σ = 19090903104. Its totient is φ = 1295585280.

The previous prime is 5081518751. The next prime is 5081518801. The reversal of 5081518800 is 88151805.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5081518801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2234464 + ... + 2236736.

Almost surely, 25081518800 is an apocalyptic number.

5081518800 is a gapful number since it is divisible by the number (50) 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 5081518800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9545451552).

5081518800 is an abundant number, since it is smaller than the sum of its proper divisors (14009384304).

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

5081518800 is a wasteful number, since it uses less digits than its factorization.

5081518800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329 (or 2306 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 5081518800 is about 71284.7725674986. The cubic root of 5081518800 is about 1719.2189080062.

The spelling of 5081518800 in words is "five billion, eighty-one million, five hundred eighteen thousand, eight hundred".