Base | Representation |
---|---|
bin | 1001000011101100101… |
… | …10010101000000010001 |
3 | 1002202022200101011112121 |
4 | 10201312112111000101 |
5 | 20044341120210001 |
6 | 354550213254241 |
7 | 31325254431244 |
oct | 4416626250021 |
9 | 1082280334477 |
10 | 311223210001 |
11 | 10aa97430070 |
12 | 50398034381 |
13 | 2346b078a82 |
14 | 110c591725b |
15 | 8167b3e6a1 |
hex | 4876595011 |
311223210001 has 8 divisors (see below), whose sum is σ = 339524882208. Its totient is φ = 282922980000.
The previous prime is 311223209837. The next prime is 311223210013. The reversal of 311223210001 is 100012322113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 311223210001 - 219 = 311222685713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (311223213001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118326 + ... + 797776.
It is an arithmetic number, because the mean of its divisors is an integer number (42440610276).
Almost surely, 2311223210001 is an apocalyptic number.
It is an amenable number.
311223210001 is a deficient number, since it is larger than the sum of its proper divisors (28301672207).
311223210001 is a wasteful number, since it uses less digits than its factorization.
311223210001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 721103.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 311223210001 its reverse (100012322113), we get a palindrome (411235532114).
The spelling of 311223210001 in words is "three hundred eleven billion, two hundred twenty-three million, two hundred ten thousand, one".
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