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16806065085782 = 272171490460059
BaseRepresentation
bin1111010010001111011110…
…0010100001110101010110
32012111122101120102211021222
43310203313202201311112
54200322310130221112
655424333312210342
73353124650134400
oct364436742416526
965448346384258
1016806065085782
11539a459675955
121a751652399b2
1394ba60b6b52b
144215bc995b70
151e226e8b0372
hexf48f78a1d56

16806065085782 has 12 divisors (see below), whose sum is σ = 29324868670260. Its totient is φ = 7202599322436.

The previous prime is 16806065085781. The next prime is 16806065085809. The reversal of 16806065085782 is 28758056060861.

It is a happy number.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16806065085781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85745229932 + ... + 85745230127.

It is an arithmetic number, because the mean of its divisors is an integer number (2443739055855).

Almost surely, 216806065085782 is an apocalyptic number.

16806065085782 is a deficient number, since it is larger than the sum of its proper divisors (12518803584478).

16806065085782 is a wasteful number, since it uses less digits than its factorization.

16806065085782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171490460075 (or 171490460068 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 16806065085782 in words is "sixteen trillion, eight hundred six billion, sixty-five million, eighty-five thousand, seven hundred eighty-two".

Divisors: 1 2 7 14 49 98 171490460059 342980920118 1200433220413 2400866440826 8403032542891 16806065085782