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2011132100 = 225273327437
BaseRepresentation
bin111011111011111…
…0111000011000100
312012011022002121002
41313313313003010
513104322211400
6531321312432
7100560224615
oct16767670304
95164262532
102011132100
1194226034a
12481635718
132608742c3
14151155c0c
15bb860ed5
hex77df70c4

2011132100 has 36 divisors (see below), whose sum is σ = 4370269764. Its totient is φ = 803326080.

The previous prime is 2011132063. The next prime is 2011132103. The reversal of 2011132100 is 12311102.

It can be written as a sum of positive squares in 6 ways, for example, as 73547776 + 1937584324 = 8576^2 + 44018^2 .

It is not an unprimeable number, because it can be changed into a prime (2011132103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59582 + ... + 87018.

Almost surely, 22011132100 is an apocalyptic number.

2011132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011132100 is an abundant number, since it is smaller than the sum of its proper divisors (2359137664).

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

2011132100 is a wasteful number, since it uses less digits than its factorization.

2011132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28184 (or 28177 counting only the distinct ones).

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

The square root of 2011132100 is about 44845.6475034088. The cubic root of 2011132100 is about 1262.2543207205.

Adding to 2011132100 its reverse (12311102), we get a palindrome (2023443202).

The spelling of 2011132100 in words is "two billion, eleven million, one hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 733 1466 2932 3665 7330 14660 18325 27437 36650 54874 73300 109748 137185 274370 548740 685925 1371850 2743700 20111321 40222642 80445284 100556605 201113210 402226420 502783025 1005566050 2011132100