Search a number
-
+
212555053 is a prime number
BaseRepresentation
bin11001010101101…
…01010100101101
3112210221220201101
430222311110231
5413403230203
633031443101
75160455014
oct1452652455
9483856641
10212555053
11a9a88837
125b226491
1335061b29
142032da7b
15139d941d
hexcab552d

212555053 has 2 divisors, whose sum is σ = 212555054. Its totient is φ = 212555052.

The previous prime is 212555041. The next prime is 212555059. The reversal of 212555053 is 350555212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156200004 + 56355049 = 12498^2 + 7507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212555053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212555059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106277526 + 106277527.

It is an arithmetic number, because the mean of its divisors is an integer number (106277527).

Almost surely, 2212555053 is an apocalyptic number.

It is an amenable number.

212555053 is a deficient number, since it is larger than the sum of its proper divisors (1).

212555053 is an equidigital number, since it uses as much as digits as its factorization.

212555053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 212555053 is about 14579.2679171487. The cubic root of 212555053 is about 596.7931247142.

The spelling of 212555053 in words is "two hundred twelve million, five hundred fifty-five thousand, fifty-three".