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211111196 = 22371426427
BaseRepresentation
bin11001001010101…
…00110100011100
3112201020120010012
430211110310130
5413021024241
632540502352
75142262352
oct1445246434
9481216105
10211111196
11a9191a6a
125a84a9b8
133497788a
14200757d2
15138016eb
hexc954d1c

211111196 has 12 divisors (see below), whose sum is σ = 379429848. Its totient is φ = 102702672.

The previous prime is 211111193. The next prime is 211111231. The reversal of 211111196 is 691111112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211111193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713066 + ... + 713361.

It is an arithmetic number, because the mean of its divisors is an integer number (31619154).

Almost surely, 2211111196 is an apocalyptic number.

It is an amenable number.

211111196 is a deficient number, since it is larger than the sum of its proper divisors (168318652).

211111196 is a wasteful number, since it uses less digits than its factorization.

211111196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426468 (or 1426466 counting only the distinct ones).

The product of its digits is 108, while the sum is 23.

The square root of 211111196 is about 14529.6660663623. Note that the first 3 decimals coincide. The cubic root of 211111196 is about 595.4387423790.

The spelling of 211111196 in words is "two hundred eleven million, one hundred eleven thousand, one hundred ninety-six".

Divisors: 1 2 4 37 74 148 1426427 2852854 5705708 52777799 105555598 211111196