Base | Representation |
---|---|
bin | 11100001100100010… |
… | …000100110011101101 |
3 | 2220010220210212221210 |
4 | 130030202010303231 |
5 | 444000401432003 |
6 | 21524054545033 |
7 | 2121146340216 |
oct | 341442046355 |
9 | 86126725853 |
10 | 30275030253 |
11 | 11926513366 |
12 | 5a4b068179 |
13 | 2b1635c6b0 |
14 | 1672b9c40d |
15 | bc2d54503 |
hex | 70c884ced |
30275030253 has 16 divisors (see below), whose sum is σ = 44482813760. Its totient is φ = 18197512704.
The previous prime is 30275030251. The next prime is 30275030263. The reversal of 30275030253 is 35203057203.
It is not a de Polignac number, because 30275030253 - 21 = 30275030251 is a prime.
It is a super-3 number, since 3×302750302533 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30275030253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30275030251) 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, 9024868 + ... + 9028221.
It is an arithmetic number, because the mean of its divisors is an integer number (2780175860).
Almost surely, 230275030253 is an apocalyptic number.
It is an amenable number.
30275030253 is a deficient number, since it is larger than the sum of its proper divisors (14207783507).
30275030253 is a wasteful number, since it uses less digits than its factorization.
30275030253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18053148.
The product of its (nonzero) digits is 18900, while the sum is 30.
Adding to 30275030253 its reverse (35203057203), we get a palindrome (65478087456).
The spelling of 30275030253 in words is "thirty billion, two hundred seventy-five million, thirty thousand, two hundred fifty-three".
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