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20212011224 = 234753755349
BaseRepresentation
bin10010110100101110…
…101101000011011000
31221011121110112222022
4102310232231003120
5312343233324344
613141341314012
71313605155266
oct226456550330
957147415868
1020212011224
118632176209
123b00b65908
131ba15a9072
14d9a513436
157d46990ee
hex4b4bad0d8

20212011224 has 16 divisors (see below), whose sum is σ = 38703852000. Its totient is φ = 9890984032.

The previous prime is 20212011221. The next prime is 20212011233. The reversal of 20212011224 is 42211021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212011221) by changing a digit.

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, 26877299 + ... + 26878050.

It is an arithmetic number, because the mean of its divisors is an integer number (2418990750).

Almost surely, 220212011224 is an apocalyptic number.

It is an amenable number.

20212011224 is a deficient number, since it is larger than the sum of its proper divisors (18491840776).

20212011224 is a wasteful number, since it uses less digits than its factorization.

20212011224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53755402 (or 53755398 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20212011224 its reverse (42211021202), we get a palindrome (62423032426).

The spelling of 20212011224 in words is "twenty billion, two hundred twelve million, eleven thousand, two hundred twenty-four".

Divisors: 1 2 4 8 47 94 188 376 53755349 107510698 215021396 430042792 2526501403 5053002806 10106005612 20212011224