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211202412469 is a prime number
BaseRepresentation
bin1100010010110010100…
…1010000111110110101
3202012011001121012102221
43010230221100332311
511430020304144334
6241005224402341
721154535612446
oct3045451207665
9665131535387
10211202412469
118163028a524
1234b233163b1
1316bbb166bc9
14a317c012cd
155761b978b4
hex312ca50fb5

211202412469 has 2 divisors, whose sum is σ = 211202412470. Its totient is φ = 211202412468.

The previous prime is 211202412413. The next prime is 211202412479. The reversal of 211202412469 is 964214202112.

211202412469 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., 124376128900 + 86826283569 = 352670^2 + 294663^2 .

It is a cyclic number.

It is not a de Polignac number, because 211202412469 - 215 = 211202379701 is a prime.

It is a super-2 number, since 2×2112024124692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211202412479) 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, 105601206234 + 105601206235.

It is an arithmetic number, because the mean of its divisors is an integer number (105601206235).

Almost surely, 2211202412469 is an apocalyptic number.

It is an amenable number.

211202412469 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202412469 is an equidigital number, since it uses as much as digits as its factorization.

211202412469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 211202412469 in words is "two hundred eleven billion, two hundred two million, four hundred twelve thousand, four hundred sixty-nine".