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2012110101988 = 227172614076299
BaseRepresentation
bin11101010001111011000…
…110111001110111100100
321010100121102010202211221
4131101323012321313210
5230431300141230423
64140203422310124
7265240651446610
oct35217306716744
97110542122757
102012110101988
11706370773738
12285b63728344
131179834687ac
146d55ad6c340
153751624ae5d
hex1d47b1b9de4

2012110101988 has 72 divisors (see below), whose sum is σ = 4344944475200. Its totient is φ = 798302200320.

The previous prime is 2012110101931. The next prime is 2012110102003. The reversal of 2012110101988 is 8891010112102.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1544538 + ... + 2531761.

Almost surely, 22012110101988 is an apocalyptic number.

2012110101988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2012110101988 is an abundant number, since it is smaller than the sum of its proper divisors (2332834373212).

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

2012110101988 is a wasteful number, since it uses less digits than its factorization.

2012110101988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076405 (or 4076386 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 34.

The spelling of 2012110101988 in words is "two trillion, twelve billion, one hundred ten million, one hundred one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 17 28 34 61 68 119 122 238 244 289 427 476 578 854 1037 1156 1708 2023 2074 4046 4148 7259 8092 14518 17629 29036 35258 70516 123403 246806 493612 4076299 8152598 16305196 28534093 57068186 69297083 114136372 138594166 248654239 277188332 485079581 497308478 970159162 994616956 1178050411 1740579673 1940318324 2356100822 3481159346 4227122063 4712201644 6962318692 8246352877 8454244126 16492705754 16908488252 29589854441 32985411508 59179708882 71861075071 118359417764 143722150142 287444300284 503027525497 1006055050994 2012110101988