Base | Representation |
---|---|
bin | 11100010100101101… |
… | …111000111101001001 |
3 | 2220111111012012121010 |
4 | 130110231320331021 |
5 | 444241030021121 |
6 | 21545442034133 |
7 | 2124434445222 |
oct | 342455707511 |
9 | 86444165533 |
10 | 30412345161 |
11 | 11996a81060 |
12 | 5a89048949 |
13 | 2b38939813 |
14 | 1687104249 |
15 | bcee2a376 |
hex | 714b78f49 |
30412345161 has 32 divisors (see below), whose sum is σ = 44720612352. Its totient is φ = 18230304960.
The previous prime is 30412345157. The next prime is 30412345181. The reversal of 30412345161 is 16154321403.
It is not a de Polignac number, because 30412345161 - 22 = 30412345157 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30412345141) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 2996251 + ... + 3006383.
It is an arithmetic number, because the mean of its divisors is an integer number (1397519136).
Almost surely, 230412345161 is an apocalyptic number.
It is an amenable number.
30412345161 is a deficient number, since it is larger than the sum of its proper divisors (14308267191).
30412345161 is a wasteful number, since it uses less digits than its factorization.
30412345161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11133.
The product of its (nonzero) digits is 8640, while the sum is 30.
Adding to 30412345161 its reverse (16154321403), we get a palindrome (46566666564).
It can be divided in two parts, 30412 and 345161, that added together give a palindrome (375573).
The spelling of 30412345161 in words is "thirty billion, four hundred twelve million, three hundred forty-five thousand, one hundred sixty-one".
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