Base | Representation |
---|---|
bin | 100011010110111110011100… |
… | …0010010000100010001000001 |
3 | 1111210020022120022200121021101 |
4 | 1012231330320102010101001 |
5 | 311231232002224000001 |
6 | 3021253024140054401 |
7 | 122340345226344565 |
oct | 10655747022042101 |
9 | 1453208508617241 |
10 | 311021001000001 |
11 | 901122a1844586 |
12 | 2aa71b53b34401 |
13 | 10471201700b96 |
14 | 56b36d51c16a5 |
15 | 25e5583ab1a01 |
hex | 11adf38484441 |
311021001000001 has 4 divisors (see below), whose sum is σ = 317638469106432. Its totient is φ = 304403532893572.
The previous prime is 311021000999987. The next prime is 311021001000007. The reversal of 311021001000001 is 100000100120113.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 311021001000001 - 27 = 311021000999873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (311021001000007) 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, 3308734053145 + ... + 3308734053238.
It is an arithmetic number, because the mean of its divisors is an integer number (79409617276608).
Almost surely, 2311021001000001 is an apocalyptic number.
It is an amenable number.
311021001000001 is a deficient number, since it is larger than the sum of its proper divisors (6617468106431).
311021001000001 is an equidigital number, since it uses as much as digits as its factorization.
311021001000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6617468106430.
The product of its (nonzero) digits is 6, while the sum is 10.
Adding to 311021001000001 its reverse (100000100120113), we get a palindrome (411021101120114).
The spelling of 311021001000001 in words is "three hundred eleven trillion, twenty-one billion, one million, one", and thus it is an aban number.
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