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194061211 is a prime number
BaseRepresentation
bin10111001000100…
…10001110011011
3111112011022221021
423210102032123
5344134424321
631131223311
74544331061
oct1344221633
9445138837
10194061211
119a5a7073
1254ba7b37
1331288126
141bab8031
1512084941
hexb91239b

194061211 has 2 divisors, whose sum is σ = 194061212. Its totient is φ = 194061210.

The previous prime is 194061187. The next prime is 194061223. The reversal of 194061211 is 112160491.

194061211 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 an emirp because it is prime and its reverse (112160491) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-194061211 is a prime.

It is a super-2 number, since 2×1940612112 = 75319507229573042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (194061251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97030605 + 97030606.

It is an arithmetic number, because the mean of its divisors is an integer number (97030606).

Almost surely, 2194061211 is an apocalyptic number.

194061211 is a deficient number, since it is larger than the sum of its proper divisors (1).

194061211 is an equidigital number, since it uses as much as digits as its factorization.

194061211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 194061211 is about 13930.5854507268. The cubic root of 194061211 is about 578.9569153492.

The spelling of 194061211 in words is "one hundred ninety-four million, sixty-one thousand, two hundred eleven".