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11100111108 = 2232931896871
BaseRepresentation
bin10100101011001111…
…00100000100000100
31001122120211001212020
422111213210010010
5140213112023413
65033241523140
7542033246652
oct122547440404
931576731766
1011100111108
1147867a5849
1221994a34b0
13107b8a98a8
147742cddd2
1544e766c23
hex2959e4104

11100111108 has 24 divisors (see below), whose sum is σ = 26793372480. Its totient is φ = 3572449440.

The previous prime is 11100111101. The next prime is 11100111151. The reversal of 11100111108 is 80111100111.

It is not an unprimeable number, because it can be changed into a prime (11100111101) 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 7 ways as a sum of consecutive naturals, for example, 15948088 + ... + 15948783.

It is an arithmetic number, because the mean of its divisors is an integer number (1116390520).

Almost surely, 211100111108 is an apocalyptic number.

It is an amenable number.

11100111108 is an abundant number, since it is smaller than the sum of its proper divisors (15693261372).

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

11100111108 is a wasteful number, since it uses less digits than its factorization.

11100111108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31896907 (or 31896905 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11100111108 its reverse (80111100111), we get a palindrome (91211211219).

The spelling of 11100111108 in words is "eleven billion, one hundred million, one hundred eleven thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 31896871 63793742 95690613 127587484 191381226 382762452 925009259 1850018518 2775027777 3700037036 5550055554 11100111108