Base | Representation |
---|---|
bin | 110000000110111010… |
… | …0101100000111011101 |
3 | 100212122221010020012221 |
4 | 1200031310230013131 |
5 | 3143040122143401 |
6 | 115243244025341 |
7 | 10315101060643 |
oct | 1401564540735 |
9 | 325587106187 |
10 | 103311131101 |
11 | 3a8a5492992 |
12 | 18032832251 |
13 | 99857bb409 |
14 | 5000ad7193 |
15 | 2a49c8a7a1 |
hex | 180dd2c1dd |
103311131101 has 4 divisors (see below), whose sum is σ = 103409617500. Its totient is φ = 103212644704.
The previous prime is 103311131059. The next prime is 103311131111. The reversal of 103311131101 is 101131113301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101131113301 = 29 ⋅3487279769.
It can be written as a sum of positive squares in 2 ways, for example, as 61566511876 + 41744619225 = 248126^2 + 204315^2 .
It is a cyclic number.
It is not a de Polignac number, because 103311131101 - 215 = 103311098333 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 (103311131111) 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, 49241626 + ... + 49243723.
It is an arithmetic number, because the mean of its divisors is an integer number (25852404375).
Almost surely, 2103311131101 is an apocalyptic number.
It is an amenable number.
103311131101 is a deficient number, since it is larger than the sum of its proper divisors (98486399).
103311131101 is an equidigital number, since it uses as much as digits as its factorization.
103311131101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98486398.
The product of its (nonzero) digits is 27, while the sum is 16.
Adding to 103311131101 its reverse (101131113301), we get a palindrome (204442244402).
The spelling of 103311131101 in words is "one hundred three billion, three hundred eleven million, one hundred thirty-one thousand, one hundred one".
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