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201141030440 = 23571742256519
BaseRepresentation
bin1011101101010011110…
…0001000111000101000
3201020011212100001000002
42323110330020320220
511243414100433230
6232223010202132
720350314356240
oct2732474107050
9636155301002
10201141030440
1178337960269
1232b95883348
1315c7683770c
149a41860b20
155373712545
hex2ed4f08e28

201141030440 has 64 divisors (see below), whose sum is σ = 547644499200. Its totient is φ = 64906011648.

The previous prime is 201141030359. The next prime is 201141030463. The reversal of 201141030440 is 44030141102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21123500 + ... + 21133019.

It is an arithmetic number, because the mean of its divisors is an integer number (8556945300).

Almost surely, 2201141030440 is an apocalyptic number.

201141030440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201141030440 is an abundant number, since it is smaller than the sum of its proper divisors (346503468760).

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

201141030440 is a wasteful number, since it uses less digits than its factorization.

201141030440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42256554 (or 42256550 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 201141030440 its reverse (44030141102), we get a palindrome (245171171542).

The spelling of 201141030440 in words is "two hundred one billion, one hundred forty-one million, thirty thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 340 476 595 680 952 1190 2380 4760 42256519 84513038 169026076 211282595 295795633 338052152 422565190 591591266 718360823 845130380 1183182532 1436721646 1478978165 1690260760 2366365064 2873443292 2957956330 3591804115 5028525761 5746886584 5915912660 7183608230 10057051522 11831825320 14367216460 20114103044 25142628805 28734432920 40228206088 50285257610 100570515220 201141030440