Base | Representation |
---|---|
bin | 11100100110011101… |
… | …110001101111110111 |
3 | 2221021020111021211210 |
4 | 130212131301233313 |
5 | 1000343242024343 |
6 | 22035200132503 |
7 | 2135011431651 |
oct | 344635615767 |
9 | 87236437753 |
10 | 30710111223 |
11 | 1202a06a110 |
12 | 5b50907133 |
13 | 2b8553485c |
14 | 16b48956d1 |
15 | beb147333 |
hex | 726771bf7 |
30710111223 has 32 divisors (see below), whose sum is σ = 46441850112. Its totient is φ = 17887161600.
The previous prime is 30710111183. The next prime is 30710111239. The reversal of 30710111223 is 32211101703.
It is a happy number.
It is not a de Polignac number, because 30710111223 - 28 = 30710110967 is a prime.
It is a super-2 number, since 2×307101112232 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30710111223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30710111273) 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 31 ways as a sum of consecutive naturals, for example, 78736 + ... + 260037.
It is an arithmetic number, because the mean of its divisors is an integer number (1451307816).
Almost surely, 230710111223 is an apocalyptic number.
30710111223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
30710111223 is a deficient number, since it is larger than the sum of its proper divisors (15731738889).
30710111223 is a wasteful number, since it uses less digits than its factorization.
30710111223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338895.
The product of its (nonzero) digits is 252, while the sum is 21.
Adding to 30710111223 its reverse (32211101703), we get a palindrome (62921212926).
The spelling of 30710111223 in words is "thirty billion, seven hundred ten million, one hundred eleven thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.189 sec. • engine limits •