Base | Representation |
---|---|
bin | 110000011110101001010110… |
… | …000110011000000111001000 |
3 | 1000221220212222120121101000220 |
4 | 300132221112012120013020 |
5 | 210421232102010121412 |
6 | 2033244200524430040 |
7 | 62624034231103254 |
oct | 6036512606300710 |
9 | 1027825876541026 |
10 | 213212211020232 |
11 | 61a328777654a6 |
12 | 1bab5b560a8320 |
13 | 91c7a96043308 |
14 | 3a91751799264 |
15 | 199b213c0068c |
hex | c1ea561981c8 |
213212211020232 has 256 divisors, whose sum is σ = 580492684615680. Its totient is φ = 64986482995200.
The previous prime is 213212211020219. The next prime is 213212211020233. The reversal of 213212211020232 is 232020112212312.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (213212211020233) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41913150793 + ... + 41913155879.
It is an arithmetic number, because the mean of its divisors is an integer number (2267549549280).
Almost surely, 2213212211020232 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 213212211020232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290246342307840).
213212211020232 is an abundant number, since it is smaller than the sum of its proper divisors (367280473595448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213212211020232 is a wasteful number, since it uses less digits than its factorization.
213212211020232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8692 (or 8688 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 213212211020232 its reverse (232020112212312), we get a palindrome (445232323232544).
The spelling of 213212211020232 in words is "two hundred thirteen trillion, two hundred twelve billion, two hundred eleven million, twenty thousand, two hundred thirty-two".
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