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1101102228 = 223329393469
BaseRepresentation
bin100000110100001…
…0111110010010100
32211201220210022000
41001220113302110
54223340232403
6301132235300
736200133402
oct10150276224
92751823260
101101102228
115155a8446
1226890bb30
131471785a5
14a6348472
1566a027a3
hex41a17c94

1101102228 has 48 divisors (see below), whose sum is σ = 2856504000. Its totient is φ = 366803424.

The previous prime is 1101102227. The next prime is 1101102241. The reversal of 1101102228 is 8222011011.

It is a super-2 number, since 2×11011022282 = 2424852233013127968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1101102228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101102227) 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 15 ways as a sum of consecutive naturals, for example, 315678 + ... + 319146.

It is an arithmetic number, because the mean of its divisors is an integer number (59510500).

Almost surely, 21101102228 is an apocalyptic number.

1101102228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1101102228 is an abundant number, since it is smaller than the sum of its proper divisors (1755401772).

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

1101102228 is a wasteful number, since it uses less digits than its factorization.

1101102228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1101102228 is about 33182.8604553616. The cubic root of 1101102228 is about 1032.6247906748.

Adding to 1101102228 its reverse (8222011011), we get a palindrome (9323113239).

The spelling of 1101102228 in words is "one billion, one hundred one million, one hundred two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2939 3469 5878 6938 8817 10407 11756 13876 17634 20814 26451 31221 35268 41628 52902 62442 79353 93663 105804 124884 158706 187326 317412 374652 10195391 20390782 30586173 40781564 61172346 91758519 122344692 183517038 275275557 367034076 550551114 1101102228