Base | Representation |
---|---|
bin | 10010111010100110… |
… | …110100000100100000 |
3 | 1221102110222200201211 |
4 | 102322212310010200 |
5 | 313044003343422 |
6 | 13155222435504 |
7 | 1316213206036 |
oct | 227246640440 |
9 | 57373880654 |
10 | 20310606112 |
11 | 8682897a95 |
12 | 3b29b92b94 |
13 | 1bb8b4a134 |
14 | da965a556 |
15 | 7dd172577 |
hex | 4ba9b4120 |
20310606112 has 96 divisors (see below), whose sum is σ = 43879676400. Its totient is φ = 9211281408.
The previous prime is 20310606109. The next prime is 20310606119. The reversal of 20310606112 is 21160601302.
It can be written as a sum of positive squares in 8 ways, for example, as 9493774096 + 10816832016 = 97436^2 + 104004^2 .
It is not an unprimeable number, because it can be changed into a prime (20310606119) 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, 13077528 + ... + 13079080.
Almost surely, 220310606112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20310606112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21939838200).
20310606112 is an abundant number, since it is smaller than the sum of its proper divisors (23569070288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310606112 is a wasteful number, since it uses less digits than its factorization.
20310606112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2438 (or 2430 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
The spelling of 20310606112 in words is "twenty billion, three hundred ten million, six hundred six thousand, one hundred twelve".
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