Base | Representation |
---|---|
bin | 11100000100101101… |
… | …100010010101001111 |
3 | 2212210202220120021010 |
4 | 130010231202111033 |
5 | 443213304121124 |
6 | 21503050340303 |
7 | 2114664134340 |
oct | 340455422517 |
9 | 85722816233 |
10 | 30143817039 |
11 | 11869442996 |
12 | 5a1312a693 |
13 | 2ac510a93b |
14 | 165d5a40c7 |
15 | bb6586529 |
hex | 704b6254f |
30143817039 has 32 divisors (see below), whose sum is σ = 46812975616. Its totient is φ = 16897351680.
The previous prime is 30143817007. The next prime is 30143817047. The reversal of 30143817039 is 93071834103.
It is a happy number.
It is not a de Polignac number, because 30143817039 - 25 = 30143817007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30143816988 and 30143817006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30143817239) 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 31 ways as a sum of consecutive naturals, for example, 294639 + ... + 383535.
It is an arithmetic number, because the mean of its divisors is an integer number (1462905488).
Almost surely, 230143817039 is an apocalyptic number.
30143817039 is a deficient number, since it is larger than the sum of its proper divisors (16669158577).
30143817039 is a wasteful number, since it uses less digits than its factorization.
30143817039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89215.
The product of its (nonzero) digits is 54432, while the sum is 39.
The spelling of 30143817039 in words is "thirty billion, one hundred forty-three million, eight hundred seventeen thousand, thirty-nine".
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