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6825966645465 = 3251113789831607
BaseRepresentation
bin110001101010100101101…
…0100010011000011011001
3220011120000100111112222200
41203111023110103003121
51343314034430123330
622303450014440413
71303105550106012
oct143251324230331
926146010445880
106825966645465
1121a1970245220
12922b02503109
133a68bbba2036
14198542a46009
15bc85bc40a60
hex6354b5130d9

6825966645465 has 24 divisors (see below), whose sum is σ = 12907282385088. Its totient is φ = 3309559585440.

The previous prime is 6825966645439. The next prime is 6825966645503. The reversal of 6825966645465 is 5645466695286.

It is not a de Polignac number, because 6825966645465 - 26 = 6825966645401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6825966645393 and 6825966645402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6894915309 + ... + 6894916298.

It is an arithmetic number, because the mean of its divisors is an integer number (537803432712).

Almost surely, 26825966645465 is an apocalyptic number.

It is an amenable number.

6825966645465 is a deficient number, since it is larger than the sum of its proper divisors (6081315739623).

6825966645465 is a wasteful number, since it uses less digits than its factorization.

6825966645465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13789831629 (or 13789831626 counting only the distinct ones).

The product of its digits is 2239488000, while the sum is 72.

The spelling of 6825966645465 in words is "six trillion, eight hundred twenty-five billion, nine hundred sixty-six million, six hundred forty-five thousand, four hundred sixty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 495 13789831607 41369494821 68949158035 124108484463 151688147677 206847474105 455064443031 620542422315 758440738385 1365193329093 2275322215155 6825966645465