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11388010122 = 2325771096477
BaseRepresentation
bin10101001101100011…
…10011111010001010
31002101122112212001200
422212301303322022
5141310312310442
65122004325030
7552130326456
oct124661637212
932348485050
1011388010122
114914264615
1222599a3776
1310c642b738
147a0633666
15469b8534c
hex2a6c73e8a

11388010122 has 24 divisors (see below), whose sum is σ = 24716807076. Its totient is φ = 3789421056.

The previous prime is 11388010121. The next prime is 11388010157. The reversal of 11388010122 is 22101088311.

It can be written as a sum of positive squares in 2 ways, for example, as 8201294721 + 3186715401 = 90561^2 + 56451^2 .

It is not an unprimeable number, because it can be changed into a prime (11388010121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537853 + ... + 558624.

Almost surely, 211388010122 is an apocalyptic number.

11388010122 is an abundant number, since it is smaller than the sum of its proper divisors (13328796954).

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

11388010122 is a wasteful number, since it uses less digits than its factorization.

11388010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097062 (or 1097059 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

Adding to 11388010122 its reverse (22101088311), we get a palindrome (33489098433).

The spelling of 11388010122 in words is "eleven billion, three hundred eighty-eight million, ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 577 1154 1731 3462 5193 10386 1096477 2192954 3289431 6578862 9868293 19736586 632667229 1265334458 1898001687 3796003374 5694005061 11388010122