Base | Representation |
---|---|
bin | 1000100111001110… |
… | …0101100111011101 |
3 | 12222010102212112012 |
4 | 2021303211213131 |
5 | 14213333031023 |
6 | 1021230121005 |
7 | 111202456436 |
oct | 21163454735 |
9 | 5863385465 |
10 | 2312002013 |
11 | a87079372 |
12 | 546350165 |
13 | 2aacb8039 |
14 | 17d0b448d |
15 | d7e92978 |
hex | 89ce59dd |
2312002013 has 6 divisors (see below), whose sum is σ = 2369769402. Its totient is φ = 2255610080.
The previous prime is 2312001997. The next prime is 2312002019. The reversal of 2312002013 is 3102002132.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 11648569 + 2300353444 = 3413^2 + 47962^2 .
It is not a de Polignac number, because 2312002013 - 24 = 2312001997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2312002019) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686006 + ... + 689367.
It is an arithmetic number, because the mean of its divisors is an integer number (394961567).
Almost surely, 22312002013 is an apocalyptic number.
It is an amenable number.
2312002013 is a deficient number, since it is larger than the sum of its proper divisors (57767389).
2312002013 is an equidigital number, since it uses as much as digits as its factorization.
2312002013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1375455 (or 1375414 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 2312002013 is about 48083.2820531211. The cubic root of 2312002013 is about 1322.2981874552.
Adding to 2312002013 its reverse (3102002132), we get a palindrome (5414004145).
The spelling of 2312002013 in words is "two billion, three hundred twelve million, two thousand, thirteen".
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