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6885090667 = 713193982123
BaseRepresentation
bin1100110100110001…
…00010010101101011
3122202211111211211001
412122120202111223
5103100040400132
63055111215431
7332422206430
oct63230422553
918684454731
106885090667
112a134aa584
121401977577
13859572160
144945a7b87
152a46bbce7
hex19a62256b

6885090667 has 16 divisors (see below), whose sum is σ = 8919957760. Its totient is φ = 5160830112.

The previous prime is 6885090643. The next prime is 6885090673. The reversal of 6885090667 is 7660905886.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6885090667 - 211 = 6885088619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6885090697) 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, 1989333 + ... + 1992790.

It is an arithmetic number, because the mean of its divisors is an integer number (557497360).

Almost surely, 26885090667 is an apocalyptic number.

6885090667 is a deficient number, since it is larger than the sum of its proper divisors (2034867093).

6885090667 is a wasteful number, since it uses less digits than its factorization.

6885090667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982162.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The square root of 6885090667 is about 82976.4464592212. The cubic root of 6885090667 is about 1902.4060623265.

The spelling of 6885090667 in words is "six billion, eight hundred eighty-five million, ninety thousand, six hundred sixty-seven".

Divisors: 1 7 13 19 91 133 247 1729 3982123 27874861 51767599 75660337 362373193 529622359 983584381 6885090667