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11210220112 = 2471317943013
BaseRepresentation
bin10100111000010111…
…00110001001010000
31001221021000012000111
422130023212021100
5140424304020422
65052213531104
7544541204320
oct123413461120
931837005014
1011210220112
114832971323
12220a343a94
13109864c750
14784b93280
15459266a77
hex29c2e6250

11210220112 has 80 divisors (see below), whose sum is σ = 26882029440. Its totient is φ = 4409934336.

The previous prime is 11210220101. The next prime is 11210220113. The reversal of 11210220112 is 21102201211.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 11210220092 and 11210220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210220113) 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, 239118 + ... + 282130.

It is an arithmetic number, because the mean of its divisors is an integer number (336025368).

Almost surely, 211210220112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11210220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13441014720).

11210220112 is an abundant number, since it is smaller than the sum of its proper divisors (15671809328).

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

11210220112 is a wasteful number, since it uses less digits than its factorization.

11210220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43220 (or 43214 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11210220112 its reverse (21102201211), we get a palindrome (32312421323).

The spelling of 11210220112 in words is "eleven billion, two hundred ten million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 179 182 208 358 364 716 728 1253 1432 1456 2327 2506 2864 4654 5012 9308 10024 16289 18616 20048 32578 37232 43013 65156 86026 130312 172052 260624 301091 344104 559169 602182 688208 1118338 1204364 2236676 2408728 3914183 4473352 4817456 7699327 7828366 8946704 15398654 15656732 30797308 31313464 53895289 61594616 62626928 100091251 107790578 123189232 200182502 215581156 400365004 431162312 700638757 800730008 862324624 1401277514 1601460016 2802555028 5605110056 11210220112