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82436068068 = 22317893839951
BaseRepresentation
bin100110011000110010…
…0101001001011100100
321212210010000011011020
41030301210221023210
52322312113134233
6101512015011140
75645562005604
oct1146144511344
9255703004136
1082436068068
1131a63014082
1213b87809ab0
137a09a3b703
143dc0506c04
1522272bb9b3
hex13319292e4

82436068068 has 24 divisors (see below), whose sum is σ = 192458394240. Its totient is φ = 27463322400.

The previous prime is 82436068063. The next prime is 82436068097. The reversal of 82436068068 is 86086063428.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82436068068.

It is not an unprimeable number, because it can be changed into a prime (82436068063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898508 + ... + 1941443.

It is an arithmetic number, because the mean of its divisors is an integer number (8019099760).

Almost surely, 282436068068 is an apocalyptic number.

It is an amenable number.

82436068068 is an abundant number, since it is smaller than the sum of its proper divisors (110022326172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82436068068 is a wasteful number, since it uses less digits than its factorization.

82436068068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841747 (or 3841745 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 82436068068 in words is "eighty-two billion, four hundred thirty-six million, sixty-eight thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 1789 3578 5367 7156 10734 21468 3839951 7679902 11519853 15359804 23039706 46079412 6869672339 13739344678 20609017017 27478689356 41218034034 82436068068