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111130211020 = 2255556510551
BaseRepresentation
bin110011101111111100…
…0000111001011001100
3101121211212002122102111
41213133320013023030
53310043313223040
6123015202033404
711012624131213
oct1473770071314
9347755078374
10111130211020
114314811a404
1219655348864
13a6306c791a
14554334807a
152d56449dea
hex19dfe072cc

111130211020 has 12 divisors (see below), whose sum is σ = 233373443184. Its totient is φ = 44452084400.

The previous prime is 111130210993. The next prime is 111130211057. The reversal of 111130211020 is 20112031111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778255256 + ... + 2778255295.

It is an arithmetic number, because the mean of its divisors is an integer number (19447786932).

Almost surely, 2111130211020 is an apocalyptic number.

111130211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111130211020 is an abundant number, since it is smaller than the sum of its proper divisors (122243232164).

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

111130211020 is a wasteful number, since it uses less digits than its factorization.

111130211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556510560 (or 5556510558 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111130211020 its reverse (20112031111), we get a palindrome (131242242131).

The spelling of 111130211020 in words is "one hundred eleven billion, one hundred thirty million, two hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 5556510551 11113021102 22226042204 27782552755 55565105510 111130211020