Base | Representation |
---|---|
bin | 1101110111101101000111… |
… | …11000101011111011100001 |
3 | 10222222220012220020222121210 |
4 | 12323312203320223323201 |
5 | 12444213141423040410 |
6 | 144512035345540333 |
7 | 6265434644640252 |
oct | 673664370537341 |
9 | 128886186228553 |
10 | 30501312315105 |
11 | 979a5966a8295 |
12 | 35074379446a9 |
13 | 1403352417528 |
14 | 7763b29b8b29 |
15 | 37d620c31220 |
hex | 1bbda3e2bee1 |
30501312315105 has 32 divisors (see below), whose sum is σ = 51680706873984. Its totient is φ = 15308123268096.
The previous prime is 30501312315013. The next prime is 30501312315107. The reversal of 30501312315105 is 50151321310503.
It is not a de Polignac number, because 30501312315105 - 232 = 30497017347809 is a prime.
It is a super-3 number, since 3×305013123151053 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (30501312315107) 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, 7465462 + ... + 10804431.
It is an arithmetic number, because the mean of its divisors is an integer number (1615022089812).
Almost surely, 230501312315105 is an apocalyptic number.
It is an amenable number.
30501312315105 is a deficient number, since it is larger than the sum of its proper divisors (21179394558879).
30501312315105 is a wasteful number, since it uses less digits than its factorization.
30501312315105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18276465.
The product of its (nonzero) digits is 6750, while the sum is 30.
Adding to 30501312315105 its reverse (50151321310503), we get a palindrome (80652633625608).
The spelling of 30501312315105 in words is "thirty trillion, five hundred one billion, three hundred twelve million, three hundred fifteen thousand, one hundred five".
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