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212158151 is a prime number
BaseRepresentation
bin11001010010101…
…00011011000111
3112210012202021022
430221110123013
5413303030101
633015141355
75154212612
oct1451243307
9483182238
10212158151
11a9837617
125b07485b
1334c5328a
1420269179
151395ba1b
hexca546c7

212158151 has 2 divisors, whose sum is σ = 212158152. Its totient is φ = 212158150.

The previous prime is 212158127. The next prime is 212158157. The reversal of 212158151 is 151851212.

212158151 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 is a cyclic number.

It is not a de Polignac number, because 212158151 - 214 = 212141767 is a prime.

It is a super-2 number, since 2×2121581512 = 90022162071477602, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212158151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212158157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106079075 + 106079076.

It is an arithmetic number, because the mean of its divisors is an integer number (106079076).

Almost surely, 2212158151 is an apocalyptic number.

212158151 is a deficient number, since it is larger than the sum of its proper divisors (1).

212158151 is an equidigital number, since it uses as much as digits as its factorization.

212158151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 800, while the sum is 26.

The square root of 212158151 is about 14565.6496937143. The cubic root of 212158151 is about 596.4214312500.

The spelling of 212158151 in words is "two hundred twelve million, one hundred fifty-eight thousand, one hundred fifty-one".