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202303221061 is a prime number
BaseRepresentation
bin1011110001101000110…
…1100010110101000101
3201100011212012102211011
42330122031202311011
511303304111033221
6232534204042221
720421156002134
oct2743215426505
9640155172734
10202303221061
1178883992287
123325ab33371
1316100551486
149b11d4b91b
1553e07801e1
hex2f1a362d45

202303221061 has 2 divisors, whose sum is σ = 202303221062. Its totient is φ = 202303221060.

The previous prime is 202303221017. The next prime is 202303221079. The reversal of 202303221061 is 160122303202.

202303221061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197291430625 + 5011790436 = 444175^2 + 70794^2 .

It is a cyclic number.

It is not a de Polignac number, because 202303221061 - 213 = 202303212869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202303221161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101151610530 + 101151610531.

It is an arithmetic number, because the mean of its divisors is an integer number (101151610531).

Almost surely, 2202303221061 is an apocalyptic number.

It is an amenable number.

202303221061 is a deficient number, since it is larger than the sum of its proper divisors (1).

202303221061 is an equidigital number, since it uses as much as digits as its factorization.

202303221061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202303221061 its reverse (160122303202), we get a palindrome (362425524263).

The spelling of 202303221061 in words is "two hundred two billion, three hundred three million, two hundred twenty-one thousand, sixty-one".