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2012110002100 = 2252119043202277
BaseRepresentation
bin11101010001111011000…
…110100001011110110100
321010100121101221200211101
4131101323012201132310
5230431300130031400
64140203420215444
7265240650552442
oct35217306413664
97110541850741
102012110002100
11706370705690
12285b6369a584
131179834321a3
146d55ad43b92
153751622b56a
hex1d47b1a17b4

2012110002100 has 72 divisors (see below), whose sum is σ = 4763763412128. Its totient is φ = 731591836800.

The previous prime is 2012110002047. The next prime is 2012110002107. The reversal of 2012110002100 is 12000112102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012110002107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9846162 + ... + 10048438.

It is an arithmetic number, because the mean of its divisors is an integer number (66163380724).

Almost surely, 22012110002100 is an apocalyptic number.

2012110002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012110002100 is an abundant number, since it is smaller than the sum of its proper divisors (2751653410028).

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

2012110002100 is a wasteful number, since it uses less digits than its factorization.

2012110002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211345 (or 211338 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2012110002100 its reverse (12000112102), we get a palindrome (2024110114202).

The spelling of 2012110002100 in words is "two trillion, twelve billion, one hundred ten million, two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 9043 18086 36172 45215 90430 99473 180860 198946 202277 226075 397892 404554 452150 497365 809108 904300 994730 1011385 1989460 2022770 2225047 2486825 4045540 4450094 4973650 5056925 8900188 9947300 10113850 11125235 20227700 22250470 44500940 55626175 111252350 222504700 1829190911 3658381822 7316763644 9145954555 18291909110 20121100021 36583818220 40242200042 45729772775 80484400084 91459545550 100605500105 182919091100 201211000210 402422000420 503027500525 1006055001050 2012110002100