Base | Representation |
---|---|
bin | 10001101001111010011… |
… | …001100111101111100011 |
3 | 11021222120101101221010001 |
4 | 101221322121213233203 |
5 | 124334200441023321 |
6 | 2325204021520431 |
7 | 153440035342333 |
oct | 21517231475743 |
9 | 4258511357101 |
10 | 1213234314211 |
11 | 428591161257 |
12 | 177171873117 |
13 | 8a53b39956a |
14 | 42a140490c3 |
15 | 2185b9c3c91 |
hex | 11a7a667be3 |
1213234314211 has 8 divisors (see below), whose sum is σ = 1259870137344. Its totient is φ = 1167067193160.
The previous prime is 1213234314169. The next prime is 1213234314221. The reversal of 1213234314211 is 1124134323121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1213234314211 - 211 = 1213234312163 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1213234314211.
It is not an unprimeable number, because it can be changed into a prime (1213234314221) 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, 117170245 + ... + 117180598.
It is an arithmetic number, because the mean of its divisors is an integer number (157483767168).
Almost surely, 21213234314211 is an apocalyptic number.
1213234314211 is a deficient number, since it is larger than the sum of its proper divisors (46635823133).
1213234314211 is a wasteful number, since it uses less digits than its factorization.
1213234314211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234351041.
The product of its digits is 3456, while the sum is 28.
Adding to 1213234314211 its reverse (1124134323121), we get a palindrome (2337368637332).
The spelling of 1213234314211 in words is "one trillion, two hundred thirteen billion, two hundred thirty-four million, three hundred fourteen thousand, two hundred eleven".
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