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5425218000 = 243653612
BaseRepresentation
bin1010000110101111…
…00100000111010000
3112000002111122000000
411003113210013100
542102323434000
62254201130000
7251304410046
oct50327440720
915002448000
105425218000
112334437644
121074a89900
13685c8c687
1439674c396
1521b44c000
hex1435e41d0

5425218000 has 420 divisors, whose sum is σ = 19995984684. Its totient is φ = 1423008000.

The previous prime is 5425217983. The next prime is 5425218011. The reversal of 5425218000 is 8125245.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 4747761216 + 677456784 = 68904^2 + 26028^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 88937970 + ... + 88938030.

Almost surely, 25425218000 is an apocalyptic number.

5425218000 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 5425218000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9997992342).

5425218000 is an abundant number, since it is smaller than the sum of its proper divisors (14570766684).

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

5425218000 is an frugal number, since it uses more digits than its factorization.

5425218000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 5425218000 is about 73656.0791788431. The cubic root of 5425218000 is about 1757.1374351834.

The spelling of 5425218000 in words is "five billion, four hundred twenty-five million, two hundred eighteen thousand".