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20110310112 = 253209482397
BaseRepresentation
bin10010101110101010…
…101111101011100000
31220220112002121021110
4102232222233223200
5312141214410422
613123305423320
71311231546504
oct225652575340
956815077243
1020110310112
11858a822702
123a92a9ab40
131b864bb1a9
14d8abdc304
157ca7aa60c
hex4aeaafae0

20110310112 has 24 divisors (see below), whose sum is σ = 52789564296. Its totient is φ = 6703436672.

The previous prime is 20110310093. The next prime is 20110310113. The reversal of 20110310112 is 21101301102.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110310113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104741103 + ... + 104741294.

It is an arithmetic number, because the mean of its divisors is an integer number (2199565179).

Almost surely, 220110310112 is an apocalyptic number.

It is an amenable number.

20110310112 is an abundant number, since it is smaller than the sum of its proper divisors (32679254184).

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

20110310112 is a wasteful number, since it uses less digits than its factorization.

20110310112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209482410 (or 209482402 counting only the distinct ones).

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

Adding to 20110310112 its reverse (21101301102), we get a palindrome (41211611214).

The spelling of 20110310112 in words is "twenty billion, one hundred ten million, three hundred ten thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 209482397 418964794 628447191 837929588 1256894382 1675859176 2513788764 3351718352 5027577528 6703436704 10055155056 20110310112