Base | Representation |
---|---|
bin | 111001011111… |
… | …0111000101111 |
3 | 2002201101001100 |
4 | 1302332320233 |
5 | 30204020444 |
6 | 2554014143 |
7 | 514126356 |
oct | 162767057 |
9 | 62641040 |
10 | 30141999 |
11 | 16018148 |
12 | a117353 |
13 | 6324804 |
14 | 400899d |
15 | 29a5e69 |
hex | 1cbee2f |
30141999 has 24 divisors (see below), whose sum is σ = 46051200. Its totient is φ = 18945360.
The previous prime is 30141977. The next prime is 30142009. The reversal of 30141999 is 99914103.
It is not a de Polignac number, because 30141999 - 27 = 30141871 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30141299) 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 23 ways as a sum of consecutive naturals, for example, 61144 + ... + 61634.
It is an arithmetic number, because the mean of its divisors is an integer number (1918800).
Almost surely, 230141999 is an apocalyptic number.
30141999 is a deficient number, since it is larger than the sum of its proper divisors (15909201).
30141999 is a wasteful number, since it uses less digits than its factorization.
30141999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 875 (or 872 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 36.
The square root of 30141999 is about 5490.1729480955. The cubic root of 30141999 is about 311.2127279121.
The spelling of 30141999 in words is "thirty million, one hundred forty-one thousand, nine hundred ninety-nine".
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