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11110101212 = 227396789329
BaseRepresentation
bin10100101100011011…
…01011000011011100
31001200021121121201002
422112031223003130
5140223141214322
65034240005432
7542214205430
oct122615530334
931607547632
1011110101212
1147913a9531
1221a0900878
131080996ab2
147757709c0
1545058bc92
hex29636b0dc

11110101212 has 12 divisors (see below), whose sum is σ = 22220202480. Its totient is φ = 4761471936.

The previous prime is 11110101193. The next prime is 11110101257. The reversal of 11110101212 is 21210101111.

11110101212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11110101212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11110101193 and 11110101202.

It is a congruent number.

It is an unprimeable number.

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, 198394637 + ... + 198394692.

It is an arithmetic number, because the mean of its divisors is an integer number (1851683540).

Almost surely, 211110101212 is an apocalyptic number.

It is an amenable number.

11110101212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11110101212 is a wasteful number, since it uses less digits than its factorization.

11110101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396789340 (or 396789338 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11110101212 its reverse (21210101111), we get a palindrome (32320202323).

The spelling of 11110101212 in words is "eleven billion, one hundred ten million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 396789329 793578658 1587157316 2777525303 5555050606 11110101212