Base | Representation |
---|---|
bin | 100011110101000… |
… | …1010001100001001 |
3 | 10002210012211011200 |
4 | 1013222022030021 |
5 | 4430232442441 |
6 | 315144014413 |
7 | 41535551514 |
oct | 10752121411 |
9 | 3083184150 |
10 | 1202234121 |
11 | 5676a2320 |
12 | 296761409 |
13 | 1620c734a |
14 | b5951d7b |
15 | 7082c7b6 |
hex | 47a8a309 |
1202234121 has 24 divisors (see below), whose sum is σ = 1959759360. Its totient is φ = 703500000.
The previous prime is 1202234107. The next prime is 1202234149. The reversal of 1202234121 is 1214322021.
It is a happy number.
It is not a de Polignac number, because 1202234121 - 26 = 1202234057 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1202234094 and 1202234103.
It is not an unprimeable number, because it can be changed into a prime (1202234921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206505 + ... + 212246.
It is an arithmetic number, because the mean of its divisors is an integer number (81656640).
Almost surely, 21202234121 is an apocalyptic number.
1202234121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1202234121 is a deficient number, since it is larger than the sum of its proper divisors (757525239).
1202234121 is a wasteful number, since it uses less digits than its factorization.
1202234121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418797 (or 418794 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1202234121 is about 34673.2479153598. The cubic root of 1202234121 is about 1063.3176347386.
Adding to 1202234121 its reverse (1214322021), we get a palindrome (2416556142).
The spelling of 1202234121 in words is "one billion, two hundred two million, two hundred thirty-four thousand, one hundred twenty-one".
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