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2011130120 = 235232186011
BaseRepresentation
bin111011111011111…
…0110100100001000
312012011021222212202
41313313312210020
513104322130440
6531321255332
7100560216056
oct16767664410
95164258782
102011130120
1194225990a
12481634548
1326087342c
141511551d6
15bb860615
hex77df6908

2011130120 has 32 divisors (see below), whose sum is σ = 4721785920. Its totient is φ = 769475520.

The previous prime is 2011130111. The next prime is 2011130131. The reversal of 2011130120 is 210311102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092086 + ... + 1093925.

It is an arithmetic number, because the mean of its divisors is an integer number (147555810).

Almost surely, 22011130120 is an apocalyptic number.

2011130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011130120 is an abundant number, since it is smaller than the sum of its proper divisors (2710655800).

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

2011130120 is a wasteful number, since it uses less digits than its factorization.

2011130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186045 (or 2186041 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2011130120 is about 44845.6254276825. The cubic root of 2011130120 is about 1262.2539064821.

Adding to 2011130120 its reverse (210311102), we get a palindrome (2221441222).

The spelling of 2011130120 in words is "two billion, eleven million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 2186011 4372022 8744044 10930055 17488088 21860110 43720220 50278253 87440440 100556506 201113012 251391265 402226024 502782530 1005565060 2011130120