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10101010100281 is a prime number
BaseRepresentation
bin1001001011111101001100…
…0111100111000000111001
31022202122110202120000011121
42102333103013213000321
52310443332041202111
633252201234025241
72061526306131502
oct222772307470071
938678422500147
1010101010100281
1132448a5961441
121171787a18221
135836a1000529
1426cc6a3a9ba9
15127b3cba6871
hex92fd31e7039

10101010100281 has 2 divisors, whose sum is σ = 10101010100282. Its totient is φ = 10101010100280.

The previous prime is 10101010100201. The next prime is 10101010100329. The reversal of 10101010100281 is 18200101010101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10072428816681 + 28581283600 = 3173709^2 + 169060^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101010100281 - 223 = 10101001711673 is a prime.

It is a super-2 number, since 2×101010101002812 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10101010100201) by changing a digit.

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 as a sum of consecutive naturals, namely, 5050505050140 + 5050505050141.

It is an arithmetic number, because the mean of its divisors is an integer number (5050505050141).

Almost surely, 210101010100281 is an apocalyptic number.

It is an amenable number.

10101010100281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101010100281 is an equidigital number, since it uses as much as digits as its factorization.

10101010100281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 10101010100281 its reverse (18200101010101), we get a palindrome (28301111110382).

The spelling of 10101010100281 in words is "ten trillion, one hundred one billion, ten million, one hundred thousand, two hundred eighty-one".