Base | Representation |
---|---|
bin | 1101110110010000001100… |
… | …01010001011101010101001 |
3 | 10222211010102220211000020110 |
4 | 12323020012022023222221 |
5 | 12442404002343224121 |
6 | 144433105003444533 |
7 | 6262020416451501 |
oct | 673100612135251 |
9 | 128733386730213 |
10 | 30451421461161 |
11 | 9780414603298 |
12 | 34b9833526749 |
13 | 13cb73117128c |
14 | 773bdc97aa01 |
15 | 37c1a0c4ad76 |
hex | 1bb20628baa9 |
30451421461161 has 8 divisors (see below), whose sum is σ = 40642619353024. Its totient is φ = 20280585605040.
The previous prime is 30451421461121. The next prime is 30451421461249. The reversal of 30451421461161 is 16116412415403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30451421461161 - 219 = 30451420936873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30451421461121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5090505445 + ... + 5090511426.
It is an arithmetic number, because the mean of its divisors is an integer number (5080327419128).
Almost surely, 230451421461161 is an apocalyptic number.
It is an amenable number.
30451421461161 is a deficient number, since it is larger than the sum of its proper divisors (10191197891863).
30451421461161 is a wasteful number, since it uses less digits than its factorization.
30451421461161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10181017871.
The product of its (nonzero) digits is 69120, while the sum is 39.
Adding to 30451421461161 its reverse (16116412415403), we get a palindrome (46567833876564).
The spelling of 30451421461161 in words is "thirty trillion, four hundred fifty-one billion, four hundred twenty-one million, four hundred sixty-one thousand, one hundred sixty-one".
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