Base | Representation |
---|---|
bin | 1001001011111001101001… |
… | …00000110010000110000000 |
3 | 2122112010000112212122111221 |
4 | 10211330310200302012000 |
5 | 10121424312210431422 |
6 | 110543445313044424 |
7 | 4153260416461513 |
oct | 445746440620600 |
9 | 78463015778457 |
10 | 20200112202112 |
11 | 64889017a4357 |
12 | 2322b00856714 |
13 | b36b2992969b |
14 | 4db9951c8d7a |
15 | 2506b80c03c7 |
hex | 125f34832180 |
20200112202112 has 32 divisors (see below), whose sum is σ = 40640850766800. Its totient is φ = 10000055539200.
The previous prime is 20200112202089. The next prime is 20200112202157. The reversal of 20200112202112 is 21120221100202.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-2 number, since 2×202001122021122 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (16).
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, 781241412 + ... + 781267267.
Almost surely, 220200112202112 is an apocalyptic number.
It is an amenable number.
20200112202112 is an abundant number, since it is smaller than the sum of its proper divisors (20440738564688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200112202112 is a wasteful number, since it uses less digits than its factorization.
20200112202112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1562508794 (or 1562508782 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 20200112202112 its reverse (21120221100202), we get a palindrome (41320333302314).
The spelling of 20200112202112 in words is "twenty trillion, two hundred billion, one hundred twelve million, two hundred two thousand, one hundred twelve".
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