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20410530050660 = 2255693179259881
BaseRepresentation
bin1001010010000001100100…
…11001001011001001100100
32200021020010221011212120212
410221000302121023021210
510133401231143110120
6111224245033514552
74204416650621021
oct451006231131144
980236127155525
1020410530050660
11655a06a126342
122357845272a58
13b50921386689
14507c36b1c548
15255dd0e3e6c5
hex12903264b264

20410530050660 has 24 divisors (see below), whose sum is σ = 42869642260536. Its totient is φ = 8162777895680.

The previous prime is 20410530050639. The next prime is 20410530050689. The reversal of 20410530050660 is 6605003501402.

It can be written as a sum of positive squares in 4 ways, for example, as 577900999204 + 19832629051456 = 760198^2 + 4453384^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89516081 + ... + 89743800.

It is an arithmetic number, because the mean of its divisors is an integer number (1786235094189).

Almost surely, 220410530050660 is an apocalyptic number.

20410530050660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410530050660 is an abundant number, since it is smaller than the sum of its proper divisors (22459112209876).

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

20410530050660 is a wasteful number, since it uses less digits than its factorization.

20410530050660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179265583 (or 179265581 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 20410530050660 in words is "twenty trillion, four hundred ten billion, five hundred thirty million, fifty thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 5693 11386 22772 28465 56930 113860 179259881 358519762 717039524 896299405 1792598810 3585197620 1020526502533 2041053005066 4082106010132 5102632512665 10205265025330 20410530050660