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230011221022021 = 1812814522349561
BaseRepresentation
bin110100010011000110101001…
…000111111001010101000101
31010011101212011110122210111201
4310103012221013321111011
5220122000440040201041
62133105410214102501
766306522323100655
oct6423065107712505
91104355143583451
10230011221022021
116731a23598331a
122196987064aa31
139b45c7136041a
1440b2861376365
151b8d1be015631
hexd131a91f9545

230011221022021 has 8 divisors (see below), whose sum is σ = 232105068920088. Its totient is φ = 227926417824000.

The previous prime is 230011221022007. The next prime is 230011221022039. The reversal of 230011221022021 is 120220122110032.

It can be written as a sum of positive squares in 4 ways, for example, as 1200370036996 + 228810850985025 = 1095614^2 + 15126495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230011221022021 is a prime.

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 230011221022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230011221022421) 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 in 7 ways as a sum of consecutive naturals, for example, 2261123920 + ... + 2261225641.

It is an arithmetic number, because the mean of its divisors is an integer number (29013133615011).

Almost surely, 2230011221022021 is an apocalyptic number.

It is an amenable number.

230011221022021 is a deficient number, since it is larger than the sum of its proper divisors (2093847898067).

230011221022021 is a wasteful number, since it uses less digits than its factorization.

230011221022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522350023.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 230011221022021 its reverse (120220122110032), we get a palindrome (350231343132053).

The spelling of 230011221022021 in words is "two hundred thirty trillion, eleven billion, two hundred twenty-one million, twenty-two thousand, twenty-one".

Divisors: 1 181 281 50861 4522349561 818545270541 1270780226641 230011221022021