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11212100202 = 2317397276883
BaseRepresentation
bin10100111000100101…
…10001001001101010
31001221101112201000110
422130102301021222
5140430244201302
65052322115150
7544563164532
oct123422611152
931841481013
1011212100202
114833a35916
12220aaabab6
131098b5a424
147851224c2
154594d8b6c
hex29c4b126a

11212100202 has 32 divisors (see below), whose sum is σ = 23803163712. Its totient is φ = 3508648704.

The previous prime is 11212100197. The next prime is 11212100239. The reversal of 11212100202 is 20200121211.

It is a super-2 number, since 2×112121002022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97948 + ... + 178935.

It is an arithmetic number, because the mean of its divisors is an integer number (743848866).

Almost surely, 211212100202 is an apocalyptic number.

11212100202 is an abundant number, since it is smaller than the sum of its proper divisors (12591063510).

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

11212100202 is a wasteful number, since it uses less digits than its factorization.

11212100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277302.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11212100202 its reverse (20200121211), we get a palindrome (31412221413).

The spelling of 11212100202 in words is "eleven billion, two hundred twelve million, one hundred thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 397 794 1191 2382 6749 13498 20247 40494 276883 553766 830649 1661298 4707011 9414022 14121033 28242066 109922551 219845102 329767653 659535306 1868683367 3737366734 5606050101 11212100202