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43250240000 = 29541121117
BaseRepresentation
bin101000010001111010…
…100100101000000000
311010122011221211120202
4220101322210220000
51202034030140000
631511402424332
73060531655112
oct502172445000
9133564854522
1043250240000
11173846a6500
1284705020a8
1341035617b6
1421441133b2
1511d200add5
hexa11ea4a00

43250240000 has 300 divisors, whose sum is σ = 118801004322. Its totient is φ = 15713280000.

The previous prime is 43250239997. The next prime is 43250240003. The reversal of 43250240000 is 4205234.

It is an interprime number because it is at equal distance from previous prime (43250239997) and next prime (43250240003).

It can be written as a sum of positive squares in 5 ways, for example, as 1353062656 + 41897177344 = 36784^2 + 204688^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (43250240003) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 38719442 + ... + 38720558.

Almost surely, 243250240000 is an apocalyptic number.

43250240000 is a gapful number since it is divisible by the number (40) 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 43250240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59400502161).

43250240000 is an abundant number, since it is smaller than the sum of its proper divisors (75550764322).

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

43250240000 is an equidigital number, since it uses as much as digits as its factorization.

43250240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 43250240000 its reverse (4205234), we get a palindrome (43254445234).

The spelling of 43250240000 in words is "forty-three billion, two hundred fifty million, two hundred forty thousand".