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5081030800 = 245212702577
BaseRepresentation
bin1001011101101101…
…00110000010010000
3111010002212002220221
410232312212002100
540401220441200
62200104042424
7236625022606
oct45666460220
914102762827
105081030800
11217812270a
12b99763414
1362c890201
14362b55876
151eb11091a
hex12eda6090

5081030800 has 30 divisors (see below), whose sum is σ = 12207177458. Its totient is φ = 2032412160.

The previous prime is 5081030797. The next prime is 5081030803. The reversal of 5081030800 is 80301805.

It is an interprime number because it is at equal distance from previous prime (5081030797) and next prime (5081030803).

It can be written as a sum of positive squares in 3 ways, for example, as 758231296 + 4322799504 = 27536^2 + 65748^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (5081030803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6350889 + ... + 6351688.

Almost surely, 25081030800 is an apocalyptic number.

5081030800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5081030800 is an abundant number, since it is smaller than the sum of its proper divisors (7126146658).

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

5081030800 is a wasteful number, since it uses less digits than its factorization.

5081030800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12702595 (or 12702584 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 5081030800 is about 71281.3495944065. The cubic root of 5081030800 is about 1719.1638715942.

The spelling of 5081030800 in words is "five billion, eighty-one million, thirty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 12702577 25405154 50810308 63512885 101620616 127025770 203241232 254051540 317564425 508103080 635128850 1016206160 1270257700 2540515400 5081030800