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8494704368640 = 21034572926141
BaseRepresentation
bin111101110011101001111…
…0101100001110000000000
31010002002022112221011120000
41323213103311201300000
52103134123304244030
630022225135320000
71534502456525250
oct173472365416000
933062275834500
108494704368640
112785647183496
12b523b7380000
1349807c884b49
14215208447960
15eae77be7860
hex7b9d3d61c00

8494704368640 has 440 divisors, whose sum is σ = 34788832010592. Its totient is φ = 1941646049280.

The previous prime is 8494704368629. The next prime is 8494704368663. The reversal of 8494704368640 is 468634074948.

8494704368640 is a `hidden beast` number, since 8 + 4 + 9 + 470 + 43 + 6 + 86 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1439970 + ... + 4366110.

Almost surely, 28494704368640 is an apocalyptic number.

8494704368640 is a gapful number since it is divisible by the number (80) 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 8494704368640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17394416005296).

8494704368640 is an abundant number, since it is smaller than the sum of its proper divisors (26294127641952).

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

8494704368640 is a wasteful number, since it uses less digits than its factorization.

8494704368640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926185 (or 2926158 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 63.

The spelling of 8494704368640 in words is "eight trillion, four hundred ninety-four billion, seven hundred four million, three hundred sixty-eight thousand, six hundred forty".