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10008440000 = 265413191013
BaseRepresentation
bin10010101001000110…
…01010110011000000
3221211111122102121222
421110203022303000
5130444130040000
64333043334212
7503006223236
oct112443126300
927744572558
1010008440000
11427655a119
121b33981368
13c36683c60
146ad31c956
153d89c8a85
hex2548cacc0

10008440000 has 280 divisors, whose sum is σ = 28161173040. Its totient is φ = 3497472000.

The previous prime is 10008439997. The next prime is 10008440003. The reversal of 10008440000 is 4480001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10008439997) and next prime (10008440003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10008440003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9879494 + ... + 9880506.

It is an arithmetic number, because the mean of its divisors is an integer number (100575618).

Almost surely, 210008440000 is an apocalyptic number.

10008440000 is a gapful number since it is divisible by the number (10) 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 10008440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14080586520).

10008440000 is an abundant number, since it is smaller than the sum of its proper divisors (18152733040).

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

10008440000 is a wasteful number, since it uses less digits than its factorization.

10008440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The spelling of 10008440000 in words is "ten billion, eight million, four hundred forty thousand".