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11020204212 = 22319325914831
BaseRepresentation
bin10100100001101101…
…01111100010110100
31001110000110101012120
422100312233202310
5140032133013322
65021305115540
7540043122153
oct122066574264
931400411176
1011020204212
114745688596
122176788bb0
13106817c9c4
1476784d59a
15447730a5c
hex290daf8b4

11020204212 has 48 divisors (see below), whose sum is σ = 27077299200. Its totient is φ = 3478762080.

The previous prime is 11020204211. The next prime is 11020204243. The reversal of 11020204212 is 21240202011.

11020204212 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 = 11020204191 and 11020204200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020204211) 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 15 ways as a sum of consecutive naturals, for example, 735637 + ... + 750467.

It is an arithmetic number, because the mean of its divisors is an integer number (564110400).

Almost surely, 211020204212 is an apocalyptic number.

11020204212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11020204212 is an abundant number, since it is smaller than the sum of its proper divisors (16057094988).

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

11020204212 is a wasteful number, since it uses less digits than its factorization.

11020204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18116 (or 18114 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11020204212 its reverse (21240202011), we get a palindrome (32260406223).

The spelling of 11020204212 in words is "eleven billion, twenty million, two hundred four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 3259 6518 9777 13036 14831 19554 29662 39108 44493 59324 61921 88986 123842 177972 185763 247684 281789 371526 563578 743052 845367 1127156 1690734 3381468 48334229 96668458 145002687 193336916 290005374 580010748 918350351 1836700702 2755051053 3673401404 5510102106 11020204212