Base | Representation |
---|---|
bin | 11100001100100001… |
… | …111110000110000011 |
3 | 2220010220202111020100 |
4 | 130030201332012003 |
5 | 444000400042010 |
6 | 21524054213443 |
7 | 2121146164104 |
oct | 341441760603 |
9 | 86126674210 |
10 | 30275002755 |
11 | 119264a4738 |
12 | 5a4b054283 |
13 | 2b1635001a |
14 | 1672b923ab |
15 | bc2d4b2c0 |
hex | 70c87e183 |
30275002755 has 36 divisors (see below), whose sum is σ = 55745138592. Its totient is φ = 15196857600.
The previous prime is 30275002753. The next prime is 30275002763. The reversal of 30275002755 is 55720057203.
It is a happy number.
It is not a de Polignac number, because 30275002755 - 21 = 30275002753 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30275002753) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1150971 + ... + 1176980.
It is an arithmetic number, because the mean of its divisors is an integer number (1548476072).
Almost surely, 230275002755 is an apocalyptic number.
30275002755 is a deficient number, since it is larger than the sum of its proper divisors (25470135837).
30275002755 is a wasteful number, since it uses less digits than its factorization.
30275002755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2327996 (or 2327976 counting only the distinct ones).
The product of its (nonzero) digits is 73500, while the sum is 36.
Adding to 30275002755 its reverse (55720057203), we get a palindrome (85995059958).
The spelling of 30275002755 in words is "thirty billion, two hundred seventy-five million, two thousand, seven hundred fifty-five".
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