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2011001112 = 233247595869
BaseRepresentation
bin111011111011101…
…0111000100011000
312012011001102220200
41313313113010120
513104304013422
6531314422200
7100556141001
oct16767270430
95164042820
102011001112
1194218099a
12481591960
132608297b3
141511201a8
15bb8372ac
hex77dd7118

2011001112 has 48 divisors (see below), whose sum is σ = 5448534000. Its totient is φ = 670078656.

The previous prime is 2011001071. The next prime is 2011001131. The reversal of 2011001112 is 2111001102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2011001094 and 2011001103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339714 + ... + 345582.

It is an arithmetic number, because the mean of its divisors is an integer number (113511125).

Almost surely, 22011001112 is an apocalyptic number.

It is an amenable number.

2011001112 is an abundant number, since it is smaller than the sum of its proper divisors (3437532888).

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

2011001112 is a wasteful number, since it uses less digits than its factorization.

2011001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640 (or 10633 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2011001112 is about 44844.1870480445. The cubic root of 2011001112 is about 1262.2269159636.

Adding to 2011001112 its reverse (2111001102), we get a palindrome (4122002214).

The spelling of 2011001112 in words is "two billion, eleven million, one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 4759 5869 9518 11738 14277 17607 19036 23476 28554 35214 38072 42831 46952 52821 57108 70428 85662 105642 114216 140856 171324 211284 342648 422568 27930571 55861142 83791713 111722284 167583426 223444568 251375139 335166852 502750278 670333704 1005500556 2011001112