Base | Representation |
---|---|
bin | 1101101111010000100100… |
… | …11111111001000011101001 |
3 | 10221222011011012222200020222 |
4 | 12313220102133321003221 |
5 | 12424434323214410441 |
6 | 144130443101455425 |
7 | 6235452322412006 |
oct | 667502237710351 |
9 | 127864135880228 |
10 | 30211110310121 |
11 | 9698507193734 |
12 | 347b147871575 |
13 | 13b1b84499310 |
14 | 766322c548ad |
15 | 375cd882bd4b |
hex | 1b7a127f90e9 |
30211110310121 has 16 divisors (see below), whose sum is σ = 32771371382400. Its totient is φ = 27684638327808.
The previous prime is 30211110310093. The next prime is 30211110310141. The reversal of 30211110310121 is 12101301111203.
It is a cyclic number.
It is not a de Polignac number, because 30211110310121 - 230 = 30210036568297 is a prime.
It is a super-2 number, since 2×302111103101212 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30211110310121.
It is not an unprimeable number, because it can be changed into a prime (30211110310141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25914860 + ... + 27055538.
It is an arithmetic number, because the mean of its divisors is an integer number (2048210711400).
Almost surely, 230211110310121 is an apocalyptic number.
It is an amenable number.
30211110310121 is a deficient number, since it is larger than the sum of its proper divisors (2560261072279).
30211110310121 is a wasteful number, since it uses less digits than its factorization.
30211110310121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1155488.
The product of its (nonzero) digits is 36, while the sum is 17.
Adding to 30211110310121 its reverse (12101301111203), we get a palindrome (42312411421324).
The spelling of 30211110310121 in words is "thirty trillion, two hundred eleven billion, one hundred ten million, three hundred ten thousand, one hundred twenty-one".
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