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6855195452833 = 721315171269459
BaseRepresentation
bin110001111000001100101…
…1111010110010110100001
3220021100110100122210221201
41203300121133112112201
51344303420013442313
622325122221321201
71305162063631600
oct143603137262641
926240410583851
106855195452833
1122032aa133872
129286bb106201
133a959955c420
14199b168a3a37
15bd4bccd30dd
hex63c197d65a1

6855195452833 has 24 divisors (see below), whose sum is σ = 8644700420160. Its totient is φ = 5387971024800.

The previous prime is 6855195452827. The next prime is 6855195452837. The reversal of 6855195452833 is 3382545915586.

6855195452833 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-6855195452833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6855195452837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35538543 + ... + 35730916.

It is an arithmetic number, because the mean of its divisors is an integer number (360195850840).

Almost surely, 26855195452833 is an apocalyptic number.

It is an amenable number.

6855195452833 is a deficient number, since it is larger than the sum of its proper divisors (1789504967327).

6855195452833 is a wasteful number, since it uses less digits than its factorization.

6855195452833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71269637 (or 71269630 counting only the distinct ones).

The product of its digits is 155520000, while the sum is 64.

The spelling of 6855195452833 in words is "six trillion, eight hundred fifty-five billion, one hundred ninety-five million, four hundred fifty-two thousand, eight hundred thirty-three".

Divisors: 1 7 13 49 91 151 637 1057 1963 7399 13741 96187 71269459 498886213 926502967 3492203491 6485520769 10761688309 45398645383 75331818163 139901948017 527322727141 979313636119 6855195452833