Base | Representation |
---|---|
bin | 11100001011010110… |
… | …011100010011000011 |
3 | 2220002112111120210110 |
4 | 130023112130103003 |
5 | 443430313003043 |
6 | 21522110002403 |
7 | 2120515662306 |
oct | 341326342303 |
9 | 86075446713 |
10 | 30255203523 |
11 | 11916301236 |
12 | 5a444a6403 |
13 | 2b1220a0bc |
14 | 16702bab3d |
15 | bc1239b33 |
hex | 70b59c4c3 |
30255203523 has 32 divisors (see below), whose sum is σ = 41791610880. Its totient is φ = 19460770560.
The previous prime is 30255203509. The next prime is 30255203551. The reversal of 30255203523 is 32530255203.
It is not a de Polignac number, because 30255203523 - 210 = 30255202499 is a prime.
It is a super-2 number, since 2×302552035232 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30255205523) 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 31 ways as a sum of consecutive naturals, for example, 2061136 + ... + 2075762.
It is an arithmetic number, because the mean of its divisors is an integer number (1305987840).
Almost surely, 230255203523 is an apocalyptic number.
30255203523 is a deficient number, since it is larger than the sum of its proper divisors (11536407357).
30255203523 is a wasteful number, since it uses less digits than its factorization.
30255203523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14907.
The product of its (nonzero) digits is 27000, while the sum is 30.
Adding to 30255203523 its reverse (32530255203), we get a palindrome (62785458726).
The spelling of 30255203523 in words is "thirty billion, two hundred fifty-five million, two hundred three thousand, five hundred twenty-three".
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