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5001920800 = 25526252401
BaseRepresentation
bin1001010100010001…
…10100000100100000
3110220120222220101221
410222020310010200
540220442431200
62144200304424
7234644424322
oct45210640440
913816886357
105001920800
1121374aa148
12b77172114
13619381c66
14356441612
151e41d591a
hex12a234120

5001920800 has 36 divisors (see below), whose sum is σ = 12210941106. Its totient is φ = 2000768000.

The previous prime is 5001920771. The next prime is 5001920843. The reversal of 5001920800 is 80291005.

It can be written as a sum of positive squares in 3 ways, for example, as 4872598416 + 129322384 = 69804^2 + 11372^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3125401 + ... + 3127000.

Almost surely, 25001920800 is an apocalyptic number.

5001920800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5001920800 is an abundant number, since it is smaller than the sum of its proper divisors (7209020306).

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

5001920800 is a wasteful number, since it uses less digits than its factorization.

5001920800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252421 (or 6252408 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 5001920800 is about 70724.2589215327. The cubic root of 5001920800 is about 1710.1948867630.

The spelling of 5001920800 in words is "five billion, one million, nine hundred twenty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 6252401 12504802 25009604 31262005 50019208 62524010 100038416 125048020 156310025 200076832 250096040 312620050 500192080 625240100 1000384160 1250480200 2500960400 5001920800