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42140024140 = 2257481281647
BaseRepresentation
bin100111001111101111…
…011011110101001100
311000202210220000201211
4213033233123311030
51142300321233030
631205302544204
73021161203144
oct471757336514
9130683800654
1042140024140
1116964a43935
128200738064
133c87544c36
14207a8b5924
15116980812a
hex9cfbdbd4c

42140024140 has 24 divisors (see below), whose sum is σ = 88506194112. Its totient is φ = 16853696640.

The previous prime is 42140024131. The next prime is 42140024159. The reversal of 42140024140 is 4142004124.

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 7 ways as a sum of consecutive naturals, for example, 8797 + ... + 290443.

It is an arithmetic number, because the mean of its divisors is an integer number (3687758088).

Almost surely, 242140024140 is an apocalyptic number.

It is an amenable number.

42140024140 is an abundant number, since it is smaller than the sum of its proper divisors (46366169972).

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

42140024140 is a wasteful number, since it uses less digits than its factorization.

42140024140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289137 (or 289135 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 42140024140 its reverse (4142004124), we get a palindrome (46282028264).

The spelling of 42140024140 in words is "forty-two billion, one hundred forty million, twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7481 14962 29924 37405 74810 149620 281647 563294 1126588 1408235 2816470 5632940 2107001207 4214002414 8428004828 10535006035 21070012070 42140024140