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42402041020 = 22518196712113
BaseRepresentation
bin100111011111010110…
…111100110010111100
311001110001220212022201
4213133112330302330
51143314410303040
631251302521244
73030522254563
oct473726746274
9131401825281
1042402041020
1116a89935009
128274436224
133cc9904201
1420a35dcbda
151182812a9a
hex9df5bccbc

42402041020 has 48 divisors (see below), whose sum is σ = 89636234688. Its totient is φ = 16848276480.

The previous prime is 42402040987. The next prime is 42402041041. The reversal of 42402041020 is 2014020424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3494484 + ... + 3506596.

It is an arithmetic number, because the mean of its divisors is an integer number (1867421556).

Almost surely, 242402041020 is an apocalyptic number.

It is an amenable number.

42402041020 is an abundant number, since it is smaller than the sum of its proper divisors (47234193668).

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

42402041020 is a wasteful number, since it uses less digits than its factorization.

42402041020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13270 (or 13268 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 42402041020 its reverse (2014020424), we get a palindrome (44416061444).

The spelling of 42402041020 in words is "forty-two billion, four hundred two million, forty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 181 362 724 905 967 1810 1934 3620 3868 4835 9670 12113 19340 24226 48452 60565 121130 175027 242260 350054 700108 875135 1750270 2192453 3500540 4384906 8769812 10962265 11713271 21924530 23426542 43849060 46853084 58566355 117132710 234265420 2120102051 4240204102 8480408204 10600510255 21201020510 42402041020