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6866562434161 = 131478691094999
BaseRepresentation
bin110001111101011111100…
…0000111100010001110001
3220022102210112122021221011
41203322333000330101301
51400000204440343121
622334242155230521
71306043550446053
oct143727700742161
926272715567834
106866562434161
112208102535111
1292a951a48441
133aa68b507391
1419a4b43c18d3
15bd935bb27e1
hex63ebf03c471

6866562434161 has 8 divisors (see below), whose sum is σ = 6919129800000. Its totient is φ = 6813997354320.

The previous prime is 6866562434153. The next prime is 6866562434209. The reversal of 6866562434161 is 1614342656686.

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 6866562434161 - 23 = 6866562434153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6866562434096 and 6866562434105.

It is not an unprimeable number, because it can be changed into a prime (6866512434161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5723340 + ... + 6818338.

It is an arithmetic number, because the mean of its divisors is an integer number (864891225000).

Almost surely, 26866562434161 is an apocalyptic number.

It is an amenable number.

6866562434161 is a deficient number, since it is larger than the sum of its proper divisors (52567365839).

6866562434161 is a wasteful number, since it uses less digits than its factorization.

6866562434161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142999.

The product of its digits is 29859840, while the sum is 58.

The spelling of 6866562434161 in words is "six trillion, eight hundred sixty-six billion, five hundred sixty-two million, four hundred thirty-four thousand, one hundred sixty-one".

Divisors: 1 131 47869 1094999 6270839 143444869 52416507131 6866562434161