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10211012112 = 243771428027
BaseRepresentation
bin10011000001001111…
…11010111000010000
3222100121211011022210
421200213322320100
5131403004341422
64405121232120
7511016112420
oct114047727020
928317734283
1010211012112
11436a939594
121b8b792640
13c6962bc02
146cc1b0480
153eb69010c
hex2609fae10

10211012112 has 80 divisors (see below), whose sum is σ = 30571471872. Its totient is φ = 2876334720.

The previous prime is 10211012093. The next prime is 10211012113. The reversal of 10211012112 is 21121011201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (10211012113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190158 + ... + 237869.

Almost surely, 210211012112 is an apocalyptic number.

10211012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10211012112 is an abundant number, since it is smaller than the sum of its proper divisors (20360459760).

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

10211012112 is a wasteful number, since it uses less digits than its factorization.

10211012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428116 (or 428110 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10211012112 its reverse (21121011201), we get a palindrome (31332023313).

The spelling of 10211012112 in words is "ten billion, two hundred eleven million, twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 71 84 112 142 168 213 284 336 426 497 568 852 994 1136 1491 1704 1988 2982 3408 3976 5964 7952 11928 23856 428027 856054 1284081 1712108 2568162 2996189 3424216 5136324 5992378 6848432 8988567 10272648 11984756 17977134 20545296 23969512 30389917 35954268 47939024 60779834 71908536 91169751 121559668 143817072 182339502 212729419 243119336 364679004 425458838 486238672 638188257 729358008 850917676 1276376514 1458716016 1701835352 2552753028 3403670704 5105506056 10211012112