Base | Representation |
---|---|
bin | 110100100100011011101111… |
… | …101101110010111010000101 |
3 | 1010022121201001122211020200112 |
4 | 310210123233231302322011 |
5 | 220301003410443201201 |
6 | 2135420441133522405 |
7 | 66461541564342215 |
oct | 6444335755627205 |
9 | 1108551048736615 |
10 | 231202111303301 |
11 | 677392a0449956 |
12 | 21b20627343405 |
13 | 9c0135b530808 |
14 | 4114355a88245 |
15 | 1bae16e0a00bb |
hex | d246efb72e85 |
231202111303301 has 4 divisors (see below), whose sum is σ = 231234578957004. Its totient is φ = 231169643649600.
The previous prime is 231202111303279. The next prime is 231202111303307. The reversal of 231202111303301 is 103303111202132.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 69925954006276 + 161276157297025 = 8362174^2 + 12699455^2 .
It is a cyclic number.
It is not a de Polignac number, because 231202111303301 - 26 = 231202111303237 is a prime.
It is a super-2 number, since 2×2312021113033012 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231202111303307) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16233816170 + ... + 16233830411.
It is an arithmetic number, because the mean of its divisors is an integer number (57808644739251).
Almost surely, 2231202111303301 is an apocalyptic number.
It is an amenable number.
231202111303301 is a deficient number, since it is larger than the sum of its proper divisors (32467653703).
231202111303301 is an equidigital number, since it uses as much as digits as its factorization.
231202111303301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32467653702.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 231202111303301 its reverse (103303111202132), we get a palindrome (334505222505433).
The spelling of 231202111303301 in words is "two hundred thirty-one trillion, two hundred two billion, one hundred eleven million, three hundred three thousand, three hundred one".
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