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6492540445109 = 179197400745949
BaseRepresentation
bin101111001111010100110…
…0100010010000110110101
3211222200101022021121112222
41132132221210102012311
51322333210323220414
621450344254052125
71240033130135225
oct136365144220665
924880338247488
106492540445109
11208351a903954
1288a36a7aa045
13381322c10b64
1418635242c085
15b3d44c7768e
hex5e7a99121b5

6492540445109 has 16 divisors (see below), whose sum is σ = 6563733264000. Its totient is φ = 6421753498944.

The previous prime is 6492540445067. The next prime is 6492540445121. The reversal of 6492540445109 is 9015440452946.

It is a cyclic number.

It is not a de Polignac number, because 6492540445109 - 240 = 5393028817333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6492540445189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141275867 + ... + 141321815.

It is an arithmetic number, because the mean of its divisors is an integer number (410233329000).

Almost surely, 26492540445109 is an apocalyptic number.

It is an amenable number.

6492540445109 is a deficient number, since it is larger than the sum of its proper divisors (71192818891).

6492540445109 is a wasteful number, since it uses less digits than its factorization.

6492540445109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50332.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 6492540445109 in words is "six trillion, four hundred ninety-two billion, five hundred forty million, four hundred forty-five thousand, one hundred nine".

Divisors: 1 179 197 4007 35263 45949 717253 789379 8224871 9051953 141298841 184117643 1620299587 32957058097 36271175671 6492540445109