Search a number
-
+
20122201200169 is a prime number
BaseRepresentation
bin1001001001101000100001…
…01001111001011000101001
32122020122220210120200010101
410210310100221321120221
510114140232001401134
6110444002301545401
74144531622052325
oct444642051713051
978218823520111
1020122201200169
116458860aa1452
12230b998575261
13b2c69152cac3
144d7cc3a74985
1524d6581e3e14
hex124d10a79629

20122201200169 has 2 divisors, whose sum is σ = 20122201200170. Its totient is φ = 20122201200168.

The previous prime is 20122201200133. The next prime is 20122201200191. The reversal of 20122201200169 is 96100210222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15891281313769 + 4230919886400 = 3986387^2 + 2056920^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122201200169 - 213 = 20122201191977 is a prime.

It is a super-2 number, since 2×201222012001692 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20122201200769) 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, 10061100600084 + 10061100600085.

It is an arithmetic number, because the mean of its divisors is an integer number (10061100600085).

Almost surely, 220122201200169 is an apocalyptic number.

It is an amenable number.

20122201200169 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122201200169 is an equidigital number, since it uses as much as digits as its factorization.

20122201200169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 20122201200169 in words is "twenty trillion, one hundred twenty-two billion, two hundred one million, two hundred thousand, one hundred sixty-nine".