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806285024217 = 32372421276349
BaseRepresentation
bin10111011101110100101…
…01010001101111011001
32212002011101112001101100
423232322111101233121
5101202232431233332
61414222514142013
7112152331424541
oct13567225215731
92762141461340
10806285024217
11290a41970492
1211031b281909
135b0560cb90a
142b04ad6a321
1515e8ee7b67c
hexbbba551bd9

806285024217 has 12 divisors (see below), whose sum is σ = 1196110516900. Its totient is φ = 522995691168.

The previous prime is 806285024197. The next prime is 806285024221. The reversal of 806285024217 is 712420582608.

806285024217 is a `hidden beast` number, since 8 + 0 + 628 + 5 + 0 + 2 + 4 + 2 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 731373881616 + 74911142601 = 855204^2 + 273699^2 .

It is not a de Polignac number, because 806285024217 - 214 = 806285007833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806285024267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1210637842 + ... + 1210638507.

Almost surely, 2806285024217 is an apocalyptic number.

It is an amenable number.

806285024217 is a deficient number, since it is larger than the sum of its proper divisors (389825492683).

806285024217 is a wasteful number, since it uses less digits than its factorization.

806285024217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421276392 (or 2421276389 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 806285024217 in words is "eight hundred six billion, two hundred eighty-five million, twenty-four thousand, two hundred seventeen".

Divisors: 1 3 9 37 111 333 2421276349 7263829047 21791487141 89587224913 268761674739 806285024217