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11100220012 = 2273491135921
BaseRepresentation
bin10100101011001111…
…11110101001101100
31001122121000121020201
422111213332221230
5140213124020022
65033244123244
7542034212320
oct122547765154
931577017221
1011100220012
11478686a652
122199536524
13107b91732b
1477431b980
1544e789127
hex2959fea6c

11100220012 has 24 divisors (see below), whose sum is σ = 22264071200. Its totient is φ = 4743601920.

The previous prime is 11100220007. The next prime is 11100220013. The reversal of 11100220012 is 21002200111.

It is not an unprimeable number, because it can be changed into a prime (11100220013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558189 + ... + 577732.

Almost surely, 211100220012 is an apocalyptic number.

It is an amenable number.

11100220012 is an abundant number, since it is smaller than the sum of its proper divisors (11163851188).

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

11100220012 is a wasteful number, since it uses less digits than its factorization.

11100220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136281 (or 1136279 counting only the distinct ones).

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

Adding to 11100220012 its reverse (21002200111), we get a palindrome (32102420123).

The spelling of 11100220012 in words is "eleven billion, one hundred million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 7 14 28 349 698 1396 2443 4886 9772 1135921 2271842 4543684 7951447 15902894 31805788 396436429 792872858 1585745716 2775055003 5550110006 11100220012