Base | Representation |
---|---|
bin | 101111100101111001… |
… | …0010001111100000011 |
3 | 100202210201100200001002 |
4 | 1133023302101330003 |
5 | 3133303010001311 |
6 | 114541305202215 |
7 | 10245455615555 |
oct | 1371362217403 |
9 | 322721320032 |
10 | 102203203331 |
11 | 3a3870533a9 |
12 | 1798379036b |
13 | 983a0c3158 |
14 | 4d378d34d5 |
15 | 29d288a93b |
hex | 17cbc91f03 |
102203203331 has 4 divisors (see below), whose sum is σ = 104131565712. Its totient is φ = 100274840952.
The previous prime is 102203203237. The next prime is 102203203379. The reversal of 102203203331 is 133302302201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133302302201 = 5581 ⋅23885021.
It is a cyclic number.
It is not a de Polignac number, because 102203203331 - 218 = 102202941187 is a prime.
It is a super-2 number, since 2×1022032033312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102203206331) 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, 964181111 + ... + 964181216.
It is an arithmetic number, because the mean of its divisors is an integer number (26032891428).
Almost surely, 2102203203331 is an apocalyptic number.
102203203331 is a deficient number, since it is larger than the sum of its proper divisors (1928362381).
102203203331 is an equidigital number, since it uses as much as digits as its factorization.
102203203331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1928362380.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 102203203331 its reverse (133302302201), we get a palindrome (235505505532).
The spelling of 102203203331 in words is "one hundred two billion, two hundred three million, two hundred three thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •