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1288501141 is a prime number
BaseRepresentation
bin100110011001100…
…1111011110010101
310022210112122021111
41030303033132111
510114324014031
6331505015021
743634036044
oct11463173625
93283478244
101288501141
11601363a84
122bb624471
13176c40115
14c31aa55b
15781bd1b1
hex4cccf795

1288501141 has 2 divisors, whose sum is σ = 1288501142. Its totient is φ = 1288501140.

The previous prime is 1288501129. The next prime is 1288501153. The reversal of 1288501141 is 1411058821.

It is a balanced prime because it is at equal distance from previous prime (1288501129) and next prime (1288501153).

It can be written as a sum of positive squares in only one way, i.e., 849431025 + 439070116 = 29145^2 + 20954^2 .

It is an emirp because it is prime and its reverse (1411058821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1288501141 - 219 = 1287976853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1288507141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644250570 + 644250571.

It is an arithmetic number, because the mean of its divisors is an integer number (644250571).

Almost surely, 21288501141 is an apocalyptic number.

It is an amenable number.

1288501141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288501141 is an equidigital number, since it uses as much as digits as its factorization.

1288501141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 1288501141 is about 35895.6980848681. The cubic root of 1288501141 is about 1088.1654579704.

Adding to 1288501141 its reverse (1411058821), we get a palindrome (2699559962).

The spelling of 1288501141 in words is "one billion, two hundred eighty-eight million, five hundred one thousand, one hundred forty-one".