Base | Representation |
---|---|
bin | 1101110010001001001011… |
… | …11001110100101111110001 |
3 | 10222022121222100120211111210 |
4 | 12321010211321310233301 |
5 | 12433100312322414441 |
6 | 144244153425030333 |
7 | 6245561340052101 |
oct | 671044571645761 |
9 | 128277870524453 |
10 | 30310220123121 |
11 | 972654608a0a4 |
12 | 34963a74853a9 |
13 | 13bb31a739a93 |
14 | 76b045991201 |
15 | 378689827616 |
hex | 1b9125e74bf1 |
30310220123121 has 8 divisors (see below), whose sum is σ = 42170741040960. Its totient is φ = 19328256310352.
The previous prime is 30310220123119. The next prime is 30310220123123. The reversal of 30310220123121 is 12132102201303.
It is an interprime number because it is at equal distance from previous prime (30310220123119) and next prime (30310220123123).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30310220123121 - 21 = 30310220123119 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30310220123123) 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, 219639276186 + ... + 219639276323.
It is an arithmetic number, because the mean of its divisors is an integer number (5271342630120).
Almost surely, 230310220123121 is an apocalyptic number.
It is an amenable number.
30310220123121 is a deficient number, since it is larger than the sum of its proper divisors (11860520917839).
30310220123121 is a wasteful number, since it uses less digits than its factorization.
30310220123121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439278552535.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 30310220123121 its reverse (12132102201303), we get a palindrome (42442322324424).
The spelling of 30310220123121 in words is "thirty trillion, three hundred ten billion, two hundred twenty million, one hundred twenty-three thousand, one hundred twenty-one".
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