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83265331820 = 225111312889151
BaseRepresentation
bin100110110001100000…
…0000010001001101100
321221220220102010011112
41031203000002021230
52331011411104240
6102130201011152
76005251433306
oct1154300021154
9257826363145
1083265331820
1132349122220
1214179483ab8
137b0c799418
14405c6cc976
152274ec4665
hex136300226c

83265331820 has 48 divisors (see below), whose sum is σ = 192209504256. Its totient is φ = 30047160000.

The previous prime is 83265331813. The next prime is 83265331829. The reversal of 83265331820 is 2813356238.

It is not an unprimeable number, because it can be changed into a prime (83265331829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415756 + ... + 1473395.

It is an arithmetic number, because the mean of its divisors is an integer number (4004364672).

Almost surely, 283265331820 is an apocalyptic number.

It is an amenable number.

83265331820 is an abundant number, since it is smaller than the sum of its proper divisors (108944172436).

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

83265331820 is a wasteful number, since it uses less digits than its factorization.

83265331820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889302 (or 2889300 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 83265331820 in words is "eighty-three billion, two hundred sixty-five million, three hundred thirty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 131 220 262 524 655 1310 1441 2620 2882 5764 7205 14410 28820 2889151 5778302 11556604 14445755 28891510 31780661 57783020 63561322 127122644 158903305 317806610 378478781 635613220 756957562 1513915124 1892393905 3784787810 4163266591 7569575620 8326533182 16653066364 20816332955 41632665910 83265331820