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241220052001 = 468173515237
BaseRepresentation
bin1110000010100111010…
…1011110010000100001
3212001122001002021201001
43200221311132100201
512423004313131001
6302452010512001
723266441416505
oct3405165362041
9761561067631
10241220052001
1193334481385
123a900135601
1319993096ba6
14b96471c305
15641c108001
hex3829d5e421

241220052001 has 4 divisors (see below), whose sum is σ = 241221035412. Its totient is φ = 241219068592.

The previous prime is 241220051999. The next prime is 241220052011. The reversal of 241220052001 is 100250022142.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 93284430625 + 147935621376 = 305425^2 + 384624^2 .

It is a cyclic number.

It is not a de Polignac number, because 241220052001 - 21 = 241220051999 is a prime.

It is a super-2 number, since 2×2412200520012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 241220052001.

It is not an unprimeable number, because it can be changed into a prime (241220052011) 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, 210555 + ... + 725791.

It is an arithmetic number, because the mean of its divisors is an integer number (60305258853).

Almost surely, 2241220052001 is an apocalyptic number.

It is an amenable number.

241220052001 is a deficient number, since it is larger than the sum of its proper divisors (983411).

241220052001 is an equidigital number, since it uses as much as digits as its factorization.

241220052001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983410.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 241220052001 its reverse (100250022142), we get a palindrome (341470074143).

The spelling of 241220052001 in words is "two hundred forty-one billion, two hundred twenty million, fifty-two thousand, one".

Divisors: 1 468173 515237 241220052001