Base | Representation |
---|---|
bin | 111001011011… |
… | …1010110110001 |
3 | 2002122210201220 |
4 | 1302313112301 |
5 | 30202024103 |
6 | 2553215253 |
7 | 513640422 |
oct | 162672661 |
9 | 62583656 |
10 | 30111153 |
11 | 15aa6a56 |
12 | a101529 |
13 | 6313767 |
14 | 3ddb649 |
15 | 299bc53 |
hex | 1cb75b1 |
30111153 has 16 divisors (see below), whose sum is σ = 40776960. Its totient is φ = 19762704.
The previous prime is 30111149. The next prime is 30111167. The reversal of 30111153 is 35111103.
It is not a de Polignac number, because 30111153 - 22 = 30111149 is a prime.
It is a super-3 number, since 3×301111533 (a number of 23 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (30111353) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67750 + ... + 68192.
It is an arithmetic number, because the mean of its divisors is an integer number (2548560).
Almost surely, 230111153 is an apocalyptic number.
It is an amenable number.
30111153 is a deficient number, since it is larger than the sum of its proper divisors (10665807).
30111153 is a wasteful number, since it uses less digits than its factorization.
30111153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 748.
The product of its (nonzero) digits is 45, while the sum is 15.
The square root of 30111153 is about 5487.3630279033. The cubic root of 30111153 is about 311.1065311920.
Adding to 30111153 its reverse (35111103), we get a palindrome (65222256).
The spelling of 30111153 in words is "thirty million, one hundred eleven thousand, one hundred fifty-three".
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