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6801867107 = 721111294079
BaseRepresentation
bin1100101010110110…
…00100000101100011
3122120000220122112222
412111123010011203
5102412234221412
63042535341255
7330361626230
oct62533040543
918500818488
106801867107
112980527482
121399b2182b
13845253749
14487502787
1529c22d072
hex1956c4163

6801867107 has 16 divisors (see below), whose sum is σ = 7819238400. Its totient is φ = 5795979840.

The previous prime is 6801867071. The next prime is 6801867109. The reversal of 6801867107 is 7017681086.

It is not a de Polignac number, because 6801867107 - 26 = 6801867043 is a prime.

It is a super-2 number, since 2×68018671072 = 92530792282577098898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6801867109) 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, 1665494 + ... + 1669572.

It is an arithmetic number, because the mean of its divisors is an integer number (488702400).

Almost surely, 26801867107 is an apocalyptic number.

6801867107 is a deficient number, since it is larger than the sum of its proper divisors (1017371293).

6801867107 is a wasteful number, since it uses less digits than its factorization.

6801867107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5426.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 6801867107 is about 82473.4327344267. The cubic root of 6801867107 is about 1894.7098556763.

The spelling of 6801867107 in words is "six billion, eight hundred one million, eight hundred sixty-seven thousand, one hundred seven".

Divisors: 1 7 211 1129 1477 4079 7903 28553 238219 860669 1667533 4605191 6024683 32236337 971695301 6801867107