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82695937505 = 542182947389
BaseRepresentation
bin100110100000100001…
…1111101110111100001
321220110012222220000012
41031001003331313201
52323330130000010
6101553500534305
75655165604466
oct1150103756741
9256405886005
1082695937505
1132086778905
121403a851395
137a4b8283cc
144006c3166d
152240000005
hex13410fdde1

82695937505 has 16 divisors (see below), whose sum is σ = 99592928400. Its totient is φ = 65918603520.

The previous prime is 82695937463. The next prime is 82695937517. The reversal of 82695937505 is 50573959628.

It can be written as a sum of positive squares in 8 ways, for example, as 35063311504 + 47632626001 = 187252^2 + 218249^2 .

It is not a de Polignac number, because 82695937505 - 236 = 13976460769 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1721351 + ... + 1768739.

It is an arithmetic number, because the mean of its divisors is an integer number (6224558025).

Almost surely, 282695937505 is an apocalyptic number.

It is an amenable number.

82695937505 is a deficient number, since it is larger than the sum of its proper divisors (16896990895).

82695937505 is a wasteful number, since it uses less digits than its factorization.

82695937505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48644.

The product of its (nonzero) digits is 20412000, while the sum is 59.

The spelling of 82695937505 in words is "eighty-two billion, six hundred ninety-five million, nine hundred thirty-seven thousand, five hundred five".

Divisors: 1 5 421 829 2105 4145 47389 236945 349009 1745045 19950769 39285481 99753845 196427405 16539187501 82695937505