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20112017226 = 2371972430749
BaseRepresentation
bin10010101110110001…
…010000011101001010
31220220122022022222220
4102232301100131022
5312142134022401
613123410154510
71311252216510
oct225661203512
956818268886
1020112017226
118590789244
123a93582a36
131b86968212
14d8b1244b0
157ca9e6336
hex4aec5074a

20112017226 has 32 divisors (see below), whose sum is σ = 46203696000. Its totient is φ = 5717119296.

The previous prime is 20112017207. The next prime is 20112017227. The reversal of 20112017226 is 62271021102.

It is a junction number, because it is equal to n+sod(n) for n = 20112017196 and 20112017205.

It is not an unprimeable number, because it can be changed into a prime (20112017227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207101 + ... + 1223648.

It is an arithmetic number, because the mean of its divisors is an integer number (1443865500).

Almost surely, 220112017226 is an apocalyptic number.

20112017226 is an abundant number, since it is smaller than the sum of its proper divisors (26091678774).

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

20112017226 is a wasteful number, since it uses less digits than its factorization.

20112017226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430958.

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 20112017226 its reverse (62271021102), we get a palindrome (82383038328).

The spelling of 20112017226 in words is "twenty billion, one hundred twelve million, seventeen thousand, two hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 197 394 591 1182 1379 2758 4137 8274 2430749 4861498 7292247 14584494 17015243 34030486 51045729 102091458 478857553 957715106 1436572659 2873145318 3352002871 6704005742 10056008613 20112017226