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115505420267 is a prime number
BaseRepresentation
bin110101110010010101…
…0001101011111101011
3102001010202211022012102
41223210222031133223
53343023341422032
6125021254004015
711226221605256
oct1534452153753
9361122738172
10115505420267
1144a92886916
121a47664660b
13ab79c8aa33
14583a44c09d
1530105d8362
hex1ae4a8d7eb

115505420267 has 2 divisors, whose sum is σ = 115505420268. Its totient is φ = 115505420266.

The previous prime is 115505420257. The next prime is 115505420353. The reversal of 115505420267 is 762024505511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115505420267 - 214 = 115505403883 is a prime.

It is a super-2 number, since 2×1155054202672 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115505420267.

It is not a weakly prime, because it can be changed into another prime (115505420257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57752710133 + 57752710134.

It is an arithmetic number, because the mean of its divisors is an integer number (57752710134).

Almost surely, 2115505420267 is an apocalyptic number.

115505420267 is a deficient number, since it is larger than the sum of its proper divisors (1).

115505420267 is an equidigital number, since it uses as much as digits as its factorization.

115505420267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

Adding to 115505420267 its reverse (762024505511), we get a palindrome (877529925778).

The spelling of 115505420267 in words is "one hundred fifteen billion, five hundred five million, four hundred twenty thousand, two hundred sixty-seven".