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53035142440 = 23571489127207
BaseRepresentation
bin110001011001001001…
…000000110100101000
312001220002222101022211
4301121021000310220
51332103444024230
640210343054504
73555155162350
oct613111006450
9161802871284
1053035142440
1120545a56535
12a341441434
135002809ab7
1427d1883b60
1515a607b42a
hexc59240d28

53035142440 has 64 divisors (see below), whose sum is σ = 136468742400. Its totient is φ = 18171122688.

The previous prime is 53035142431. The next prime is 53035142483. The reversal of 53035142440 is 4424153035.

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 15 ways as a sum of consecutive naturals, for example, 353317 + ... + 480523.

It is an arithmetic number, because the mean of its divisors is an integer number (2132324100).

Almost surely, 253035142440 is an apocalyptic number.

It is an amenable number.

53035142440 is an abundant number, since it is smaller than the sum of its proper divisors (83433599960).

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

53035142440 is a wasteful number, since it uses less digits than its factorization.

53035142440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128714 (or 128710 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 53035142440 its reverse (4424153035), we get a palindrome (57459295475).

The spelling of 53035142440 in words is "fifty-three billion, thirty-five million, one hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1489 2978 5956 7445 10423 11912 14890 20846 29780 41692 52115 59560 83384 104230 127207 208460 254414 416920 508828 636035 890449 1017656 1272070 1780898 2544140 3561796 4452245 5088280 7123592 8904490 17808980 35617960 189411223 378822446 757644892 947056115 1325878561 1515289784 1894112230 2651757122 3788224460 5303514244 6629392805 7576448920 10607028488 13258785610 26517571220 53035142440