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20419027260 = 2235340317121
BaseRepresentation
bin10011000001000100…
…011010000100111100
31221201001000001120220
4103001010122010330
5313304232333020
613214054341340
71322000603502
oct230104320474
957631001526
1020419027260
118729010445
123b5a35a850
131c0544b968
14db9c00672
157e793c240
hex4c111a13c

20419027260 has 24 divisors (see below), whose sum is σ = 57173276496. Its totient is φ = 5445073920.

The previous prime is 20419027231. The next prime is 20419027289. The reversal of 20419027260 is 6272091402.

It is an interprime number because it is at equal distance from previous prime (20419027231) and next prime (20419027289).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 170158501 + ... + 170158620.

It is an arithmetic number, because the mean of its divisors is an integer number (2382219854).

Almost surely, 220419027260 is an apocalyptic number.

20419027260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20419027260 is an abundant number, since it is smaller than the sum of its proper divisors (36754249236).

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

20419027260 is a wasteful number, since it uses less digits than its factorization.

20419027260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340317133 (or 340317131 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 20419027260 in words is "twenty billion, four hundred nineteen million, twenty-seven thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 340317121 680634242 1020951363 1361268484 1701585605 2041902726 3403171210 4083805452 5104756815 6806342420 10209513630 20419027260