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14475464640 = 2634571317192
BaseRepresentation
bin11010111101100111…
…00000111111000000
31101100211010210110000
431132303200333000
5214121204332030
610352215240000
71021500263550
oct153663407700
941324123400
1014475464640
11615902791a
12297b979000
131498c833c0
149b46c3160
1559ac51860
hex35ece0fc0

14475464640 has 1680 divisors, whose sum is σ = 70819987392. Its totient is φ = 2723217408.

The previous prime is 14475464617. The next prime is 14475464669. The reversal of 14475464640 is 4646457441.

14475464640 is a `hidden beast` number, since 1 + 4 + 47 + 546 + 4 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 761866551 + ... + 761866569.

Almost surely, 214475464640 is an apocalyptic number.

14475464640 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 14475464640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35409993696).

14475464640 is an abundant number, since it is smaller than the sum of its proper divisors (56344522752).

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

14475464640 is a wasteful number, since it uses less digits than its factorization.

14475464640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 14475464640 in words is "fourteen billion, four hundred seventy-five million, four hundred sixty-four thousand, six hundred forty".