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223021344321 = 3224780149369
BaseRepresentation
bin1100111110110100011…
…0111010011001000001
3210022122202000010222200
43033231012322121001
512123221431004241
6250242105223413
722053451101636
oct3175506723101
9708582003880
10223021344321
11866458099a6
1237281491b69
13180529425c9
14ab1976818d
155c0459d4b6
hex33ed1ba641

223021344321 has 6 divisors (see below), whose sum is σ = 322141941810. Its totient is φ = 148680896208.

The previous prime is 223021344281. The next prime is 223021344323. The reversal of 223021344321 is 123443120322.

223021344321 is a `hidden beast` number, since 2 + 2 + 3 + 0 + 213 + 443 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 196178126400 + 26843217921 = 442920^2 + 163839^2 .

It is not a de Polignac number, because 223021344321 - 211 = 223021342273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223021344323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12390074676 + ... + 12390074693.

It is an arithmetic number, because the mean of its divisors is an integer number (53690323635).

Almost surely, 2223021344321 is an apocalyptic number.

It is an amenable number.

223021344321 is a deficient number, since it is larger than the sum of its proper divisors (99120597489).

223021344321 is a wasteful number, since it uses less digits than its factorization.

223021344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24780149375 (or 24780149372 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 223021344321 its reverse (123443120322), we get a palindrome (346464464643).

The spelling of 223021344321 in words is "two hundred twenty-three billion, twenty-one million, three hundred forty-four thousand, three hundred twenty-one".

Divisors: 1 3 9 24780149369 74340448107 223021344321