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6493305149 = 127383313339
BaseRepresentation
bin1100000110000011…
…11111100100111101
3121202112022002010022
412003001333210331
5101244241231044
62552154021525
7316624116542
oct60301774475
917675262108
106493305149
1128323352a1
1213127178a5
137c63487c6
14458540bc9
152800cc3ee
hex18307f93d

6493305149 has 8 divisors (see below), whose sum is σ = 6546631680. Its totient is φ = 6440013216.

The previous prime is 6493305139. The next prime is 6493305151. The reversal of 6493305149 is 9415033946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6493305149 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 (6493305139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480122 + ... + 493460.

It is an arithmetic number, because the mean of its divisors is an integer number (818328960).

Almost surely, 26493305149 is an apocalyptic number.

It is an amenable number.

6493305149 is a deficient number, since it is larger than the sum of its proper divisors (53326531).

6493305149 is a wasteful number, since it uses less digits than its factorization.

6493305149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17299.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 6493305149 is about 80581.0470830455. The cubic root of 6493305149 is about 1865.6146248139.

The spelling of 6493305149 in words is "six billion, four hundred ninety-three million, three hundred five thousand, one hundred forty-nine".

Divisors: 1 127 3833 13339 486791 1694053 51128387 6493305149