Base | Representation |
---|---|
bin | 10010110100101111… |
… | …111100101000110000 |
3 | 1221011122002010010111 |
4 | 102310233330220300 |
5 | 312343324242300 |
6 | 13141352311104 |
7 | 1313611013536 |
oct | 226457745060 |
9 | 57148063114 |
10 | 20212337200 |
11 | 8632379110 |
12 | 3b010a2494 |
13 | 1ba1691553 |
14 | d9a59a156 |
15 | 7d47109ba |
hex | 4b4bfca30 |
20212337200 has 120 divisors (see below), whose sum is σ = 53174743920. Its totient is φ = 7322188800.
The previous prime is 20212337183. The next prime is 20212337203. The reversal of 20212337200 is 273321202.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (20212337203) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1175062 + ... + 1192138.
It is an arithmetic number, because the mean of its divisors is an integer number (443122866).
Almost surely, 220212337200 is an apocalyptic number.
20212337200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20212337200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26587371960).
20212337200 is an abundant number, since it is smaller than the sum of its proper divisors (32962406720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20212337200 is a wasteful number, since it uses less digits than its factorization.
20212337200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17375 (or 17364 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 22.
Adding to 20212337200 its reverse (273321202), we get a palindrome (20485658402).
The spelling of 20212337200 in words is "twenty billion, two hundred twelve million, three hundred thirty-seven thousand, two hundred".
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