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82901400220 = 22543712113537
BaseRepresentation
bin100110100110101001…
…1101111101010011100
321220222112121110212101
41031031103233222130
52324240224301340
6102030120414444
75663242163242
oct1151523575234
9256875543771
1082901400220
1132181752001
1214097617424
137a82275c92
144026236792
152253087c9a
hex134d4efa9c

82901400220 has 48 divisors (see below), whose sum is σ = 178179791328. Its totient is φ = 32382443520.

The previous prime is 82901400203. The next prime is 82901400221. The reversal of 82901400220 is 2200410928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82901400221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6117292 + ... + 6130828.

It is an arithmetic number, because the mean of its divisors is an integer number (3712078986).

Almost surely, 282901400220 is an apocalyptic number.

It is an amenable number.

82901400220 is an abundant number, since it is smaller than the sum of its proper divisors (95278391108).

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

82901400220 is a wasteful number, since it uses less digits than its factorization.

82901400220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20710 (or 20708 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 82901400220 in words is "eighty-two billion, nine hundred one million, four hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 7121 13537 14242 27074 28484 35605 54148 67685 71210 135370 142420 270740 306203 582091 612406 1164182 1224812 1531015 2328364 2910455 3062030 5820910 6124060 11641820 96396977 192793954 385587908 481984885 963969770 1927939540 4145070011 8290140022 16580280044 20725350055 41450700110 82901400220