Base | Representation |
---|---|
bin | 11100001101011010… |
… | …011100010010101000 |
3 | 2220011221121121011100 |
4 | 130031122130102220 |
5 | 444013142302004 |
6 | 21525343401400 |
7 | 2121416051526 |
oct | 341532342250 |
9 | 86157547140 |
10 | 30289806504 |
11 | 11933895a41 |
12 | 5a53bb3260 |
13 | 2b19434239 |
14 | 1674b27316 |
15 | bc42c2739 |
hex | 70d69c4a8 |
30289806504 has 24 divisors (see below), whose sum is σ = 82034892810. Its totient is φ = 10096602144.
The previous prime is 30289806493. The next prime is 30289806527. The reversal of 30289806504 is 40560898203.
30289806504 is a `hidden beast` number, since 30 + 28 + 98 + 0 + 6 + 504 = 666.
It can be written as a sum of positive squares in only one way, i.e., 28173622500 + 2116184004 = 167850^2 + 46002^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 30289806504.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210345807 + ... + 210345950.
Almost surely, 230289806504 is an apocalyptic number.
It is an amenable number.
30289806504 is an abundant number, since it is smaller than the sum of its proper divisors (51745086306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30289806504 is a wasteful number, since it uses less digits than its factorization.
30289806504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420691769 (or 420691762 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The spelling of 30289806504 in words is "thirty billion, two hundred eighty-nine million, eight hundred six thousand, five hundred four".
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