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10044000221 is a prime number
BaseRepresentation
bin10010101101010101…
…10100011111011101
3221220222120002002012
421112222310133131
5131032231001341
64340353441005
7503620410323
oct112652643735
927828502065
1010044000221
114294638032
121b43870165
13c40b549c8
146b3d37d13
153dbba00eb
hex256ab47dd

10044000221 has 2 divisors, whose sum is σ = 10044000222. Its totient is φ = 10044000220.

The previous prime is 10044000209. The next prime is 10044000269. The reversal of 10044000221 is 12200044001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8880235225 + 1163764996 = 94235^2 + 34114^2 .

It is a cyclic number.

It is not a de Polignac number, because 10044000221 - 210 = 10043999197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10044000196 and 10044000205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10044000821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5022000110 + 5022000111.

It is an arithmetic number, because the mean of its divisors is an integer number (5022000111).

Almost surely, 210044000221 is an apocalyptic number.

It is an amenable number.

10044000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10044000221 is an equidigital number, since it uses as much as digits as its factorization.

10044000221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10044000221 its reverse (12200044001), we get a palindrome (22244044222).

The spelling of 10044000221 in words is "ten billion, forty-four million, two hundred twenty-one", and thus it is an aban number.