Base | Representation |
---|---|
bin | 10001101001111010001… |
… | …110100010110011110110 |
3 | 11021222120011221101212022 |
4 | 101221322032202303312 |
5 | 124334144220113142 |
6 | 2325203435353142 |
7 | 153440001556433 |
oct | 21517216426366 |
9 | 4258504841768 |
10 | 1213231410422 |
11 | 42858a558629 |
12 | 1771708b27b2 |
13 | 8a53a8c0945 |
14 | 42a138d0b8a |
15 | 2185b5ed6d2 |
hex | 11a7a3a2cf6 |
1213231410422 has 16 divisors (see below), whose sum is σ = 1826019482352. Its totient is φ = 604559773440.
The previous prime is 1213231410407. The next prime is 1213231410427. The reversal of 1213231410422 is 2240141323121.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1213231410391 and 1213231410400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213231410427) 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, 1218458 + ... + 1977650.
It is an arithmetic number, because the mean of its divisors is an integer number (114126217647).
Almost surely, 21213231410422 is an apocalyptic number.
1213231410422 is a deficient number, since it is larger than the sum of its proper divisors (612788071930).
1213231410422 is a wasteful number, since it uses less digits than its factorization.
1213231410422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 761903.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 1213231410422 its reverse (2240141323121), we get a palindrome (3453372733543).
The spelling of 1213231410422 in words is "one trillion, two hundred thirteen billion, two hundred thirty-one million, four hundred ten thousand, four hundred twenty-two".
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