Base | Representation |
---|---|
bin | 10010101000010010… |
… | …100101001001010110 |
3 | 1220122001202112202100 |
4 | 102220102211021112 |
5 | 311431321442324 |
6 | 13104524222530 |
7 | 1305462230334 |
oct | 225022451126 |
9 | 56561675670 |
10 | 20003312214 |
11 | 8535391596 |
12 | 3a6309aa46 |
13 | 1b6a297422 |
14 | d7a908b54 |
15 | 7c11c24c9 |
hex | 4a84a5256 |
20003312214 has 48 divisors (see below), whose sum is σ = 45702212400. Its totient is φ = 6305672448.
The previous prime is 20003312209. The next prime is 20003312239. The reversal of 20003312214 is 41221330002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143202 + ... + 245994.
It is an arithmetic number, because the mean of its divisors is an integer number (952129425).
Almost surely, 220003312214 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20003312214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22851106200).
20003312214 is an abundant number, since it is smaller than the sum of its proper divisors (25698900186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20003312214 is a wasteful number, since it uses less digits than its factorization.
20003312214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103389 (or 103386 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20003312214 its reverse (41221330002), we get a palindrome (61224642216).
The spelling of 20003312214 in words is "twenty billion, three million, three hundred twelve thousand, two hundred fourteen".
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