Base | Representation |
---|---|
bin | 1101101100101000110010… |
… | …10011001101101101011010 |
3 | 10221122112122101012120221001 |
4 | 12312110121103031231122 |
5 | 12422000332202123023 |
6 | 144021224334335214 |
7 | 6226113130364635 |
oct | 666243123155532 |
9 | 127575571176831 |
10 | 30121030114138 |
11 | 9663291278177 |
12 | 34657a805a50a |
13 | 13a6529b786c2 |
14 | 761c1943cc1c |
15 | 3737b540d6ad |
hex | 1b65194cdb5a |
30121030114138 has 8 divisors (see below), whose sum is σ = 45181991004480. Its totient is φ = 15060366445980.
The previous prime is 30121030114121. The next prime is 30121030114139. The reversal of 30121030114138 is 83141103012103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30121030114139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74052018 + ... + 74457661.
It is an arithmetic number, because the mean of its divisors is an integer number (5647748875560).
Almost surely, 230121030114138 is an apocalyptic number.
30121030114138 is a deficient number, since it is larger than the sum of its proper divisors (15060960890342).
30121030114138 is a wasteful number, since it uses less digits than its factorization.
30121030114138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148611092.
The product of its (nonzero) digits is 1728, while the sum is 28.
The spelling of 30121030114138 in words is "thirty trillion, one hundred twenty-one billion, thirty million, one hundred fourteen thousand, one hundred thirty-eight".
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