Base | Representation |
---|---|
bin | 11100000101010110… |
… | …000100110100000001 |
3 | 2212211111220110202111 |
4 | 130011112010310001 |
5 | 443224014202113 |
6 | 21504110215321 |
7 | 2115153355000 |
oct | 340526046401 |
9 | 85744813674 |
10 | 30154444033 |
11 | 1187444112a |
12 | 5a167b4541 |
13 | 2ac738b9bc |
14 | 1660b6cc37 |
15 | bb748513d |
hex | 705584d01 |
30154444033 has 16 divisors (see below), whose sum is σ = 35173324800. Its totient is φ = 25840939488.
The previous prime is 30154444003. The next prime is 30154444049. The reversal of 30154444033 is 33044445103.
It is a de Polignac number, because none of the positive numbers 2k-30154444033 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30154443986 and 30154444004.
It is not an unprimeable number, because it can be changed into a prime (30154444003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2430141 + ... + 2442517.
It is an arithmetic number, because the mean of its divisors is an integer number (2198332800).
Almost surely, 230154444033 is an apocalyptic number.
It is an amenable number.
30154444033 is a deficient number, since it is larger than the sum of its proper divisors (5018880767).
30154444033 is an equidigital number, since it uses as much as digits as its factorization.
30154444033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19501 (or 19487 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 31.
Adding to 30154444033 its reverse (33044445103), we get a palindrome (63198889136).
The spelling of 30154444033 in words is "thirty billion, one hundred fifty-four million, four hundred forty-four thousand, thirty-three".
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