Base | Representation |
---|---|
bin | 1001001011111111001101… |
… | …01011000001011111111111 |
3 | 2122112101201212021001110101 |
4 | 10211333212223001133333 |
5 | 10122001422403343403 |
6 | 110545102050221531 |
7 | 4153424453011660 |
oct | 445774653013777 |
9 | 78471655231411 |
10 | 20203101231103 |
11 | 648a0a5a5104a |
12 | 23235b58848a7 |
13 | b371b4c6c3ab |
14 | 4dbb9a177367 |
15 | 2507e06e871d |
hex | 125fe6ac17ff |
20203101231103 has 8 divisors (see below), whose sum is σ = 23123566517408. Its totient is φ = 17291212936704.
The previous prime is 20203101231097. The next prime is 20203101231139. The reversal of 20203101231103 is 30113210130202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20203101231103 - 237 = 20065662277631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20203101631103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144242926 + ... + 2144252347.
It is an arithmetic number, because the mean of its divisors is an integer number (2890445814676).
Almost surely, 220203101231103 is an apocalyptic number.
20203101231103 is a deficient number, since it is larger than the sum of its proper divisors (2920465286305).
20203101231103 is an equidigital number, since it uses as much as digits as its factorization.
20203101231103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4288495953.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 20203101231103 its reverse (30113210130202), we get a palindrome (50316311361305).
The spelling of 20203101231103 in words is "twenty trillion, two hundred three billion, one hundred one million, two hundred thirty-one thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •