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82572830550665 = 5713199551513077
BaseRepresentation
bin10010110001100101111100…
…001110111010101010001001
3101211100212220112102220020222
4102301211330032322222021
541310333124110110130
6451341233520155425
723251455501014030
oct2261457416725211
9354325815386228
1082572830550665
1124345a391a4064
129317201a68b75
13370c77a224740
141656791177717
15982d973cbce5
hex4b197c3baa89

82572830550665 has 32 divisors (see below), whose sum is σ = 128372335768320. Its totient is φ = 49515043785984.

The previous prime is 82572830550659. The next prime is 82572830550671. The reversal of 82572830550665 is 56605503827528.

It is an interprime number because it is at equal distance from previous prime (82572830550659) and next prime (82572830550671).

It is not a de Polignac number, because 82572830550665 - 28 = 82572830550409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82572830550598 and 82572830550607.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4775747894 + ... + 4775765183.

It is an arithmetic number, because the mean of its divisors is an integer number (4011635492760).

Almost surely, 282572830550665 is an apocalyptic number.

It is an amenable number.

82572830550665 is a deficient number, since it is larger than the sum of its proper divisors (45799505217655).

82572830550665 is a wasteful number, since it uses less digits than its factorization.

82572830550665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551513121.

The product of its (nonzero) digits is 120960000, while the sum is 62.

The spelling of 82572830550665 in words is "eighty-two trillion, five hundred seventy-two billion, eight hundred thirty million, five hundred fifty thousand, six hundred sixty-five".

Divisors: 1 5 7 13 19 35 65 91 95 133 247 455 665 1235 1729 8645 9551513077 47757565385 66860591539 124169670001 181478748463 334302957695 620848350005 869187690007 907393742315 1270351239241 2359223730019 4345938450035 6351756196205 11796118650095 16514566110133 82572830550665