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221030023210001 = 435140233097907
BaseRepresentation
bin110010010000011010010000…
…000001001010010000010001
31001222121021010100111002012222
4302100122100001022100101
5212432323441420210001
62102031442455430425
764361615011223105
oct6220322001122021
91058537110432188
10221030023210001
1164477340952325
1220959123685415
13964407096ba65
143c81ca5855905
151a8477134c61b
hexc9069004a411

221030023210001 has 4 divisors (see below), whose sum is σ = 226170256307952. Its totient is φ = 215889790112052.

The previous prime is 221030023209881. The next prime is 221030023210037. The reversal of 221030023210001 is 100012320030122.

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.

It is a cyclic number.

It is not a de Polignac number, because 221030023210001 - 242 = 216631976698897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221030023210201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570116548911 + ... + 2570116548996.

It is an arithmetic number, because the mean of its divisors is an integer number (56542564076988).

Almost surely, 2221030023210001 is an apocalyptic number.

It is an amenable number.

221030023210001 is a deficient number, since it is larger than the sum of its proper divisors (5140233097951).

221030023210001 is an equidigital number, since it uses as much as digits as its factorization.

221030023210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140233097950.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221030023210001 its reverse (100012320030122), we get a palindrome (321042343240123).

The spelling of 221030023210001 in words is "two hundred twenty-one trillion, thirty billion, twenty-three million, two hundred ten thousand, one".

Divisors: 1 43 5140233097907 221030023210001