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11101812 = 2231994649
BaseRepresentation
bin101010010110…
…011001110100
3202220000211020
4222112121310
510320224222
61033541140
7163235541
oct52263164
922800736
1011101812
1162a2a57
1238747b0
1323b9227
14168dbc8
15e9465c
hexa96674

11101812 has 24 divisors (see below), whose sum is σ = 26040000. Its totient is φ = 3681216.

The previous prime is 11101793. The next prime is 11101829. The reversal of 11101812 is 21810111.

11101812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11101791 and 11101800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 4712.

It is an arithmetic number, because the mean of its divisors is an integer number (1085000).

Almost surely, 211101812 is an apocalyptic number.

11101812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101812 is an abundant number, since it is smaller than the sum of its proper divisors (14938188).

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

11101812 is a wasteful number, since it uses less digits than its factorization.

11101812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855 (or 4853 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

The square root of 11101812 is about 3331.9381746965. The cubic root of 11101812 is about 223.0820480057.

Adding to 11101812 its reverse (21810111), we get a palindrome (32911923).

The spelling of 11101812 in words is "eleven million, one hundred one thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 199 398 597 796 1194 2388 4649 9298 13947 18596 27894 55788 925151 1850302 2775453 3700604 5550906 11101812