Base | Representation |
---|---|
bin | 11100000011010110… |
… | …100101011000011011 |
3 | 2212202012000111201120 |
4 | 130003112211120123 |
5 | 443141440214003 |
6 | 21500514020323 |
7 | 2114266320411 |
oct | 340326453033 |
9 | 85665014646 |
10 | 30121023003 |
11 | 11857594445 |
12 | 5a075776a3 |
13 | 2ac0489846 |
14 | 165a54d2b1 |
15 | bb4582853 |
hex | 7035a561b |
30121023003 has 8 divisors (see below), whose sum is σ = 40164937728. Its totient is φ = 20078895144.
The previous prime is 30121022957. The next prime is 30121023013. The reversal of 30121023003 is 30032012103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30121023003 - 226 = 30053914139 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30121023013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406875 + ... + 475172.
It is an arithmetic number, because the mean of its divisors is an integer number (5020617216).
Almost surely, 230121023003 is an apocalyptic number.
30121023003 is a deficient number, since it is larger than the sum of its proper divisors (10043914725).
30121023003 is a wasteful number, since it uses less digits than its factorization.
30121023003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 893433.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30121023003 its reverse (30032012103), we get a palindrome (60153035106).
The spelling of 30121023003 in words is "thirty billion, one hundred twenty-one million, twenty-three thousand, three".
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