Base | Representation |
---|---|
bin | 10001011111101001011… |
… | …110110000110110011001 |
3 | 11020221010021220202020110 |
4 | 101133221132300312121 |
5 | 124144113014000241 |
6 | 2320142233314533 |
7 | 152566650105261 |
oct | 21375136606631 |
9 | 4227107822213 |
10 | 1202213031321 |
11 | 423945a072a5 |
12 | 174bb6865a49 |
13 | 894a2c2c8b3 |
14 | 4228a3d87a1 |
15 | 2141412d816 |
hex | 117e97b0d99 |
1202213031321 has 8 divisors (see below), whose sum is σ = 1606758193984. Its totient is φ = 799571611440.
The previous prime is 1202213031223. The next prime is 1202213031329. The reversal of 1202213031321 is 1231303122021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1202213031321 - 231 = 1200065547673 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1202213031329) 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 7 ways as a sum of consecutive naturals, for example, 475934221 + ... + 475936746.
It is an arithmetic number, because the mean of its divisors is an integer number (200844774248).
Almost surely, 21202213031321 is an apocalyptic number.
It is an amenable number.
1202213031321 is a deficient number, since it is larger than the sum of its proper divisors (404545162663).
1202213031321 is an equidigital number, since it uses as much as digits as its factorization.
1202213031321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 951871391.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1202213031321 its reverse (1231303122021), we get a palindrome (2433516153342).
The spelling of 1202213031321 in words is "one trillion, two hundred two billion, two hundred thirteen million, thirty-one thousand, three hundred twenty-one".
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