Base | Representation |
---|---|
bin | 10010000011111110100… |
… | …111010111010100001111 |
3 | 11101122210220202121000100 |
4 | 102003332213113110033 |
5 | 130314010403010411 |
6 | 2350113141502143 |
7 | 155450434404165 |
oct | 22037647272417 |
9 | 4348726677010 |
10 | 1241222313231 |
11 | 43944370115a |
12 | 180682a11953 |
13 | 9007b974a24 |
14 | 4410b193235 |
15 | 22448b69456 |
hex | 120fe9d750f |
1241222313231 has 12 divisors (see below), whose sum is σ = 1792893592152. Its totient is φ = 827473734096.
The previous prime is 1241222313223. The next prime is 1241222313257. The reversal of 1241222313231 is 1323132221421.
1241222313231 is a `hidden beast` number, since 1 + 2 + 412 + 2 + 2 + 3 + 13 + 231 = 666.
It is not a de Polignac number, because 1241222313231 - 23 = 1241222313223 is a prime.
It is a super-2 number, since 2×12412223132312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1241222313195 and 1241222313204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1241222313431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455005 + ... + 1639961.
It is an arithmetic number, because the mean of its divisors is an integer number (149407799346).
Almost surely, 21241222313231 is an apocalyptic number.
1241222313231 is a deficient number, since it is larger than the sum of its proper divisors (551671278921).
1241222313231 is a wasteful number, since it uses less digits than its factorization.
1241222313231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1301350 (or 1301347 counting only the distinct ones).
The product of its digits is 3456, while the sum is 27.
Adding to 1241222313231 its reverse (1323132221421), we get a palindrome (2564354534652).
The spelling of 1241222313231 in words is "one trillion, two hundred forty-one billion, two hundred twenty-two million, three hundred thirteen thousand, two hundred thirty-one".
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