Base | Representation |
---|---|
bin | 11100001011001110… |
… | …101001101100011100 |
3 | 2220002101122211022111 |
4 | 130023032221230130 |
5 | 443424302124434 |
6 | 21521554123404 |
7 | 2120462425165 |
oct | 341316515434 |
9 | 86071584274 |
10 | 30253161244 |
11 | 119151368a9 |
12 | 5a43880564 |
13 | 2b11973657 |
14 | 166dd0876c |
15 | bc0e84964 |
hex | 70b3a9b1c |
30253161244 has 12 divisors (see below), whose sum is σ = 52964899344. Its totient is φ = 15120332864.
The previous prime is 30253161241. The next prime is 30253161287. The reversal of 30253161244 is 44216135203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30253161241) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551037 + ... + 1570420.
It is an arithmetic number, because the mean of its divisors is an integer number (4413741612).
Almost surely, 230253161244 is an apocalyptic number.
It is an amenable number.
30253161244 is a deficient number, since it is larger than the sum of its proper divisors (22711738100).
30253161244 is a wasteful number, since it uses less digits than its factorization.
30253161244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3123884 (or 3123882 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 31.
Adding to 30253161244 its reverse (44216135203), we get a palindrome (74469296447).
The spelling of 30253161244 in words is "thirty billion, two hundred fifty-three million, one hundred sixty-one thousand, two hundred forty-four".
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