Base | Representation |
---|---|
bin | 1011110101000101111… |
… | …0000110111010001110 |
3 | 201102120110200102210122 |
4 | 2331101132012322032 |
5 | 11312203424410110 |
6 | 233210202504542 |
7 | 20453144063336 |
oct | 2752136067216 |
9 | 642513612718 |
10 | 203230310030 |
11 | 7920a236a10 |
12 | 33479505152 |
13 | 1621a640b27 |
14 | 9b9d11a0c6 |
15 | 5446d5d255 |
hex | 2f51786e8e |
203230310030 has 64 divisors (see below), whose sum is σ = 413979310080. Its totient is φ = 71186668800.
The previous prime is 203230310021. The next prime is 203230310039. The reversal of 203230310030 is 30013032302.
203230310030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (203230310021) and next prime (203230310039).
It is a junction number, because it is equal to n+sod(n) for n = 203230309990 and 203230310008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203230310039) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71087 + ... + 641493.
It is an arithmetic number, because the mean of its divisors is an integer number (6468426720).
Almost surely, 2203230310030 is an apocalyptic number.
203230310030 is an abundant number, since it is smaller than the sum of its proper divisors (210749000050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203230310030 is a wasteful number, since it uses less digits than its factorization.
203230310030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 570545.
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 203230310030 its reverse (30013032302), we get a palindrome (233243342332).
The spelling of 203230310030 in words is "two hundred three billion, two hundred thirty million, three hundred ten thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •