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11100420222 = 23612497197
BaseRepresentation
bin10100101011010001…
…01111100001111110
31001122121101202212220
422111220233201332
5140213201421342
65033252310210
7542036005113
oct122550574176
931577352786
1011100420222
114786997011
122199612366
13107b9874b8
1477437090a
1544e7c85ec
hex295a2f87e

11100420222 has 24 divisors (see below), whose sum is σ = 22570800408. Its totient is φ = 3639474720.

The previous prime is 11100420211. The next prime is 11100420229. The reversal of 11100420222 is 22202400111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100420229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226273 + ... + 270924.

It is an arithmetic number, because the mean of its divisors is an integer number (940450017).

Almost surely, 211100420222 is an apocalyptic number.

11100420222 is an abundant number, since it is smaller than the sum of its proper divisors (11470380186).

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

11100420222 is an equidigital number, since it uses as much as digits as its factorization.

11100420222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497324 (or 497263 counting only the distinct ones).

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

Adding to 11100420222 its reverse (22202400111), we get a palindrome (33302820333).

The spelling of 11100420222 in words is "eleven billion, one hundred million, four hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 61 122 183 366 3721 7442 11163 22326 497197 994394 1491591 2983182 30329017 60658034 90987051 181974102 1850070037 3700140074 5550210111 11100420222