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6861380173 = 83797103723
BaseRepresentation
bin1100110001111100…
…00101101001001101
3122201011220020010121
412120332011221031
5103023003131143
63052503104541
7332013524554
oct63076055115
918634806117
106861380173
112a0108552a
1213b5a42151
1385468cb8b
14491394d9b
152a25867ed
hex198f85a4d

6861380173 has 8 divisors (see below), whose sum is σ = 6952827168. Its totient is φ = 6770142384.

The previous prime is 6861380143. The next prime is 6861380189. The reversal of 6861380173 is 3710831686.

6861380173 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6861380173 - 29 = 6861379661 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 (6861380143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14290 + ... + 118012.

It is an arithmetic number, because the mean of its divisors is an integer number (869103396).

Almost surely, 26861380173 is an apocalyptic number.

It is an amenable number.

6861380173 is a deficient number, since it is larger than the sum of its proper divisors (91446995).

6861380173 is a wasteful number, since it uses less digits than its factorization.

6861380173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104603.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 6861380173 is about 82833.4483949570. The cubic root of 6861380173 is about 1900.2197504834.

The spelling of 6861380173 in words is "six billion, eight hundred sixty-one million, three hundred eighty thousand, one hundred seventy-three".

Divisors: 1 83 797 66151 103723 8609009 82667231 6861380173