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6628102822656 = 28337238235119
BaseRepresentation
bin110000001110011100110…
…1101101101101100000000
3212110122021212210220201000
41200130321231231230000
51332043323310311111
622032524114212000
71252602365262600
oct140347155555400
925418255726630
106628102822656
112125a65281617
128b06a2284000
133910482c9543
1418cb3254ac00
15b762b0ccc56
hex60739b6db00

6628102822656 has 432 divisors, whose sum is σ = 22810961510400. Its totient is φ = 1892878460928.

The previous prime is 6628102822637. The next prime is 6628102822657. The reversal of 6628102822656 is 6562282018266.

6628102822656 is a `hidden beast` number, since 6 + 628 + 1 + 0 + 2 + 8 + 2 + 2 + 6 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6628102822657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1294801665 + ... + 1294806783.

Almost surely, 26628102822656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6628102822656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11405480755200).

6628102822656 is an abundant number, since it is smaller than the sum of its proper divisors (16182858687744).

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

6628102822656 is a wasteful number, since it uses less digits than its factorization.

6628102822656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981 (or 8954 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 6628102822656 in words is "six trillion, six hundred twenty-eight billion, one hundred two million, eight hundred twenty-two thousand, six hundred fifty-six".