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6830402568192 = 2193772337
BaseRepresentation
bin110001101100101001110…
…1110000000000000000000
3220011222110111110210000000
41203121103232000000000
51343402131024140232
622305502120000000
71303323512611230
oct143312356000000
926158414423000
106830402568192
1121a38371aa665
12923940000000
133a7147c01a98
14198843c31cc0
15bca1b3c327c
hex63653b80000

6830402568192 has 1280 divisors, whose sum is σ = 25093322496000. Its totient is φ = 1816242683904.

The previous prime is 6830402568181. The next prime is 6830402568193. The reversal of 6830402568192 is 2918652040386.

6830402568192 is a `hidden beast` number, since 6 + 8 + 30 + 40 + 2 + 568 + 1 + 9 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6830402568193) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184605474798 + ... + 184605474834.

It is an arithmetic number, because the mean of its divisors is an integer number (19604158200).

Almost surely, 26830402568192 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 6830402568192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12546661248000).

6830402568192 is an abundant number, since it is smaller than the sum of its proper divisors (18262919927808).

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

6830402568192 is an frugal number, since it uses more digits than its factorization.

6830402568192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 6830402568192 in words is "six trillion, eight hundred thirty billion, four hundred two million, five hundred sixty-eight thousand, one hundred ninety-two".