Base | Representation |
---|---|
bin | 10001101001111111100… |
… | …001010000110000101110 |
3 | 11021222210101000112210210 |
4 | 101221333201100300232 |
5 | 124334334433001220 |
6 | 2325220330443250 |
7 | 153442130364015 |
oct | 21517741206056 |
9 | 4258711015723 |
10 | 1213320203310 |
11 | 428625694a86 |
12 | 177196593526 |
13 | 8a55310c307 |
14 | 42a21605a7c |
15 | 218642dc6e0 |
hex | 11a7f850c2e |
1213320203310 has 16 divisors (see below), whose sum is σ = 2911968488016. Its totient is φ = 323552054208.
The previous prime is 1213320203281. The next prime is 1213320203317. The reversal of 1213320203310 is 133020233121.
It is a super-2 number, since 2×12133202033102 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213320203317) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20222003359 + ... + 20222003418.
It is an arithmetic number, because the mean of its divisors is an integer number (181998030501).
Almost surely, 21213320203310 is an apocalyptic number.
1213320203310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213320203310 is an abundant number, since it is smaller than the sum of its proper divisors (1698648284706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1213320203310 is a wasteful number, since it uses less digits than its factorization.
1213320203310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40444006787.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1213320203310 its reverse (133020233121), we get a palindrome (1346340436431).
The spelling of 1213320203310 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, two hundred three thousand, three hundred ten".
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