Base | Representation |
---|---|
bin | 11100011011000111… |
… | …010111100010000010 |
3 | 2220202222011202022211 |
4 | 130123013113202002 |
5 | 1000001014443143 |
6 | 22004234452334 |
7 | 2130210030112 |
oct | 343307274202 |
9 | 86688152284 |
10 | 30519687298 |
11 | 11a41627871 |
12 | 5ab8b940aa |
13 | 2b54c51189 |
14 | 1697487042 |
15 | bd958049d |
hex | 71b1d7882 |
30519687298 has 16 divisors (see below), whose sum is σ = 47798283456. Its totient is φ = 14587713360.
The previous prime is 30519687293. The next prime is 30519687313. The reversal of 30519687298 is 89278691503.
It is not an unprimeable number, because it can be changed into a prime (30519687293) 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 7 ways as a sum of consecutive naturals, for example, 118068 + ... + 273823.
It is an arithmetic number, because the mean of its divisors is an integer number (2987392716).
Almost surely, 230519687298 is an apocalyptic number.
30519687298 is a deficient number, since it is larger than the sum of its proper divisors (17278596158).
30519687298 is a wasteful number, since it uses less digits than its factorization.
30519687298 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 393609.
The product of its (nonzero) digits is 6531840, while the sum is 58.
The spelling of 30519687298 in words is "thirty billion, five hundred nineteen million, six hundred eighty-seven thousand, two hundred ninety-eight".
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