Search a number
-
+
211142467 is a prime number
BaseRepresentation
bin11001001010111…
…00011101000011
3112201022011000101
430211130131003
5413023024332
632541303231
75142452464
oct1445343503
9481264011
10211142467
11a9203508
125a864b17
1334988b93
1420082d6b
151380aae7
hexc95c743

211142467 has 2 divisors, whose sum is σ = 211142468. Its totient is φ = 211142466.

The previous prime is 211142429. The next prime is 211142479. The reversal of 211142467 is 764241112.

211142467 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 211142467 - 27 = 211142339 is a prime.

It is a super-2 number, since 2×2111424672 = 89162282741692178, which contains 22 as substring.

It is a Chen prime.

It is equal to p11661085 and since 211142467 and 11661085 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (211148467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105571233 + 105571234.

It is an arithmetic number, because the mean of its divisors is an integer number (105571234).

Almost surely, 2211142467 is an apocalyptic number.

211142467 is a deficient number, since it is larger than the sum of its proper divisors (1).

211142467 is an equidigital number, since it uses as much as digits as its factorization.

211142467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 28.

The square root of 211142467 is about 14530.7421352111. The cubic root of 211142467 is about 595.4681408603.

Adding to 211142467 its reverse (764241112), we get a palindrome (975383579).

The spelling of 211142467 in words is "two hundred eleven million, one hundred forty-two thousand, four hundred sixty-seven".