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211101010012 = 22204143258521
BaseRepresentation
bin1100010010011010011…
…0011100100001011100
3202011212222210102102101
43010212212130201130
511424313324310022
6240551203134444
721152164656454
oct3044646344134
9664788712371
10211101010012
1181589020342
1234ab5374424
1316ba3151c59
14a308566d64
155757d17627
hex312699c85c

211101010012 has 12 divisors (see below), whose sum is σ = 369430006176. Its totient is φ = 105549579680.

The previous prime is 211101009971. The next prime is 211101010013. The reversal of 211101010012 is 210010101112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211101010013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687312 + ... + 945832.

It is an arithmetic number, because the mean of its divisors is an integer number (30785833848).

Almost surely, 2211101010012 is an apocalyptic number.

It is an amenable number.

211101010012 is a deficient number, since it is larger than the sum of its proper divisors (158328996164).

211101010012 is a wasteful number, since it uses less digits than its factorization.

211101010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462668 (or 462666 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211101010012 its reverse (210010101112), we get a palindrome (421111111124).

The spelling of 211101010012 in words is "two hundred eleven billion, one hundred one million, ten thousand, twelve".

Divisors: 1 2 4 204143 258521 408286 517042 816572 1034084 52775252503 105550505006 211101010012