Base | Representation |
---|---|
bin | 11100000100111110… |
… | …110100111111010011 |
3 | 2212211002102212012010 |
4 | 130010332310333103 |
5 | 443220434144112 |
6 | 21503331434003 |
7 | 2115050513604 |
oct | 340476647723 |
9 | 85732385163 |
10 | 30148349907 |
11 | 11870a59565 |
12 | 5a14755903 |
13 | 2ac6036c00 |
14 | 1660023dab |
15 | bb6b7e63c |
hex | 704fb4fd3 |
30148349907 has 48 divisors (see below), whose sum is σ = 44185071840. Its totient is φ = 18274553856.
The previous prime is 30148349897. The next prime is 30148349909. The reversal of 30148349907 is 70994384103.
It is a happy number.
It is not a de Polignac number, because 30148349907 - 26 = 30148349843 is a prime.
It is a super-2 number, since 2×301483499072 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30148349909) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11260653 + ... + 11263329.
It is an arithmetic number, because the mean of its divisors is an integer number (920522330).
Almost surely, 230148349907 is an apocalyptic number.
30148349907 is a deficient number, since it is larger than the sum of its proper divisors (14036721933).
30148349907 is a wasteful number, since it uses less digits than its factorization.
30148349907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3032 (or 3019 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 48.
The spelling of 30148349907 in words is "thirty billion, one hundred forty-eight million, three hundred forty-nine thousand, nine hundred seven".
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