Base | Representation |
---|---|
bin | 11100001010101001… |
… | …011101100010111011 |
3 | 2220001201022112002010 |
4 | 130022221131202323 |
5 | 443414303142110 |
6 | 21521005141003 |
7 | 2120313522165 |
oct | 341251354273 |
9 | 86051275063 |
10 | 30243412155 |
11 | 1190a688200 |
12 | 5a4055a763 |
13 | 2b0c93c068 |
14 | 166c8cb935 |
15 | bc01ab020 |
hex | 70aa5d8bb |
30243412155 has 24 divisors (see below), whose sum is σ = 53188417296. Its totient is φ = 14663471680.
The previous prime is 30243412139. The next prime is 30243412163. The reversal of 30243412155 is 55121434203.
It is not a de Polignac number, because 30243412155 - 24 = 30243412139 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8329704 + ... + 8333333.
It is an arithmetic number, because the mean of its divisors is an integer number (2216184054).
Almost surely, 230243412155 is an apocalyptic number.
30243412155 is a deficient number, since it is larger than the sum of its proper divisors (22945005141).
30243412155 is a wasteful number, since it uses less digits than its factorization.
30243412155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16663067 (or 16663056 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 30243412155 its reverse (55121434203), we get a palindrome (85364846358).
The spelling of 30243412155 in words is "thirty billion, two hundred forty-three million, four hundred twelve thousand, one hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •