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11202020212 = 227273852139
BaseRepresentation
bin10100110111011000…
…10100001101110100
31001220200120120212111
422123230110031310
5140420204121322
65051322100404
7544411413025
oct123354241564
931820516774
1011202020212
114829280649
12220764a704
131096a3b336
14783a5ac4c
15458697177
hex29bb14374

11202020212 has 12 divisors (see below), whose sum is σ = 19630505440. Its totient is φ = 5593304376.

The previous prime is 11202020197. The next prime is 11202020231. The reversal of 11202020212 is 21202020211.

It is a happy number.

11202020212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11202020192 and 11202020201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923162 + ... + 1928977.

Almost surely, 211202020212 is an apocalyptic number.

It is an amenable number.

11202020212 is a deficient number, since it is larger than the sum of its proper divisors (8428485228).

11202020212 is a wasteful number, since it uses less digits than its factorization.

11202020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852870 (or 3852868 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11202020212 its reverse (21202020211), we get a palindrome (32404040423).

Subtracting 11202020212 from its reverse (21202020211), we obtain a palindrome (9999999999).

The spelling of 11202020212 in words is "eleven billion, two hundred two million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 727 1454 2908 3852139 7704278 15408556 2800505053 5601010106 11202020212