Base | Representation |
---|---|
bin | 1001000011101001111… |
… | …10101000011101001001 |
3 | 1002202021002010012120011 |
4 | 10201310332220131021 |
5 | 20044314224033001 |
6 | 354544032431521 |
7 | 31324555143025 |
oct | 4416476503511 |
9 | 1082232105504 |
10 | 311200221001 |
11 | 10aa8545909a |
12 | 503903a85a1 |
13 | 2346638a007 |
14 | 110c2851385 |
15 | 8165aecd51 |
hex | 4874fa8749 |
311200221001 has 8 divisors (see below), whose sum is σ = 329588421120. Its totient is φ = 292821165888.
The previous prime is 311200220977. The next prime is 311200221047. The reversal of 311200221001 is 100122002113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 311200221001 - 231 = 309052737353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (311200221091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216121 + ... + 2352358.
It is an arithmetic number, because the mean of its divisors is an integer number (41198552640).
Almost surely, 2311200221001 is an apocalyptic number.
It is an amenable number.
311200221001 is a deficient number, since it is larger than the sum of its proper divisors (18388200119).
311200221001 is a wasteful number, since it uses less digits than its factorization.
311200221001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4572503.
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 311200221001 its reverse (100122002113), we get a palindrome (411322223114).
The spelling of 311200221001 in words is "three hundred eleven billion, two hundred million, two hundred twenty-one thousand, one".
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