Search a number
-
+
212101330349 is a prime number
BaseRepresentation
bin1100010110001000111…
…0010111010110101101
3202021110201001221221202
43011202032113112231
511433340420032344
6241234335335245
721216032363336
oct3054216272655
9667421057852
10212101330349
1181a51742867
1235134381525
1317002471b8c
14a3a135928d
1557b5a5d94e
hex31623975ad

212101330349 has 2 divisors, whose sum is σ = 212101330350. Its totient is φ = 212101330348.

The previous prime is 212101330327. The next prime is 212101330367. The reversal of 212101330349 is 943033101212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115810896100 + 96290434249 = 340310^2 + 310307^2 .

It is a cyclic number.

It is not a de Polignac number, because 212101330349 - 220 = 212100281773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212101930349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050665174 + 106050665175.

It is an arithmetic number, because the mean of its divisors is an integer number (106050665175).

Almost surely, 2212101330349 is an apocalyptic number.

It is an amenable number.

212101330349 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101330349 is an equidigital number, since it uses as much as digits as its factorization.

212101330349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 212101330349 in words is "two hundred twelve billion, one hundred one million, three hundred thirty thousand, three hundred forty-nine".