Base | Representation |
---|---|
bin | 1100111111001110010… |
… | …1011010001001101111 |
3 | 210022221022110112100022 |
4 | 3033303211122021233 |
5 | 12123432240031111 |
6 | 250300550152355 |
7 | 22056240503156 |
oct | 3176345321157 |
9 | 708838415308 |
10 | 223130002031 |
11 | 866a1084062 |
12 | 372b19526bb |
13 | 1806c2c7a01 |
14 | ab29d7059d |
15 | 5c0ddb32db |
hex | 33f395a26f |
223130002031 has 4 divisors (see below), whose sum is σ = 230327744064. Its totient is φ = 215932260000.
The previous prime is 223130001989. The next prime is 223130002037. The reversal of 223130002031 is 130200031322.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-223130002031 is a prime.
It is a super-3 number, since 3×2231300020313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223130002037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3598870970 + ... + 3598871031.
It is an arithmetic number, because the mean of its divisors is an integer number (57581936016).
Almost surely, 2223130002031 is an apocalyptic number.
223130002031 is a deficient number, since it is larger than the sum of its proper divisors (7197742033).
223130002031 is an equidigital number, since it uses as much as digits as its factorization.
223130002031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7197742032.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 223130002031 its reverse (130200031322), we get a palindrome (353330033353).
The spelling of 223130002031 in words is "two hundred twenty-three billion, one hundred thirty million, two thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •