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82013081511 = 359463350743
BaseRepresentation
bin100110001100001011…
…1000100111110100111
321211200122002012200110
41030120113010332213
52320430322102021
6101402024544103
75632234455624
oct1143027047647
9254618065613
1082013081511
1131866279009
1213a8a022033
13797020c4ca
143d8027b34b
1522000b7476
hex13185c4fa7

82013081511 has 8 divisors (see below), whose sum is σ = 111204178560. Its totient is φ = 53748686072.

The previous prime is 82013081509. The next prime is 82013081531. The reversal of 82013081511 is 11518031028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82013081511 - 21 = 82013081509 is a prime.

It is a super-2 number, since 2×820130815112 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82013081531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231675195 + ... + 231675548.

It is an arithmetic number, because the mean of its divisors is an integer number (13900522320).

Almost surely, 282013081511 is an apocalyptic number.

82013081511 is a deficient number, since it is larger than the sum of its proper divisors (29191097049).

82013081511 is a wasteful number, since it uses less digits than its factorization.

82013081511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463350805.

The product of its (nonzero) digits is 1920, while the sum is 30.

The spelling of 82013081511 in words is "eighty-two billion, thirteen million, eighty-one thousand, five hundred eleven".

Divisors: 1 3 59 177 463350743 1390052229 27337693837 82013081511