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121410220241 = 501192422439
BaseRepresentation
bin111000100010010011…
…1001111000011010001
3102121101021202012222202
41301010213033003101
53442122004021431
6131435230212545
711525441562452
oct1610447170321
9377337665882
10121410220241
11475429a44a2
121b644054155
13b5ab403a0b
145c3a759129
153258bb88cb
hex1c449cf0d1

121410220241 has 4 divisors (see below), whose sum is σ = 121412692800. Its totient is φ = 121407747684.

The previous prime is 121410220223. The next prime is 121410220247. The reversal of 121410220241 is 142022014121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142022014121 = 1310924770317.

It is a cyclic number.

It is not a de Polignac number, because 121410220241 - 26 = 121410220177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121410220247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161101 + ... + 1261338.

It is an arithmetic number, because the mean of its divisors is an integer number (30353173200).

Almost surely, 2121410220241 is an apocalyptic number.

It is an amenable number.

121410220241 is a deficient number, since it is larger than the sum of its proper divisors (2472559).

121410220241 is an equidigital number, since it uses as much as digits as its factorization.

121410220241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472558.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 121410220241 its reverse (142022014121), we get a palindrome (263432234362).

The spelling of 121410220241 in words is "one hundred twenty-one billion, four hundred ten million, two hundred twenty thousand, two hundred forty-one".

Divisors: 1 50119 2422439 121410220241