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20221101212 = 2213478273773
BaseRepresentation
bin10010110101010001…
…011000010010011100
31221012020120101002112
4102311101120102130
5312403100214322
613142304213152
71314045344564
oct226521302234
957166511075
1020221101212
1186373146a4
123b0400a1b8
131ba343c660
14d9b7dbda4
157d53925e2
hex4b545849c

20221101212 has 24 divisors (see below), whose sum is σ = 38919832896. Its totient is φ = 9134244288.

The previous prime is 20221101169. The next prime is 20221101221. The reversal of 20221101212 is 21210112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4134443 + ... + 4139330.

It is an arithmetic number, because the mean of its divisors is an integer number (1621659704).

Almost surely, 220221101212 is an apocalyptic number.

It is an amenable number.

20221101212 is a deficient number, since it is larger than the sum of its proper divisors (18698731684).

20221101212 is a wasteful number, since it uses less digits than its factorization.

20221101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273837 (or 8273835 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20221101212 its reverse (21210112202), we get a palindrome (41431213414).

The spelling of 20221101212 in words is "twenty billion, two hundred twenty-one million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 13 26 47 52 94 188 611 1222 2444 8273773 16547546 33095092 107559049 215118098 388867331 430236196 777734662 1555469324 5055275303 10110550606 20221101212