Base | Representation |
---|---|
bin | 1101101001111101001110… |
… | …00111110010111001001001 |
3 | 10221022201220002011101102010 |
4 | 12310332213013302321021 |
5 | 12413443212033023443 |
6 | 143511032343330133 |
7 | 6216342431153262 |
oct | 664764707627111 |
9 | 127281802141363 |
10 | 30028920204873 |
11 | 9628214670017 |
12 | 344b980750949 |
13 | 139a93aba9105 |
14 | 75b59c235969 |
15 | 3711c3c0d733 |
hex | 1b4fa71f2e49 |
30028920204873 has 8 divisors (see below), whose sum is σ = 42145852919200. Its totient is φ = 18965633813568.
The previous prime is 30028920204869. The next prime is 30028920204901. The reversal of 30028920204873 is 37840202982003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30028920204873 - 22 = 30028920204869 is a prime.
It is a super-2 number, since 2×300289202048732 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30028920203873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263411580688 + ... + 263411580801.
It is an arithmetic number, because the mean of its divisors is an integer number (5268231614900).
Almost surely, 230028920204873 is an apocalyptic number.
It is an amenable number.
30028920204873 is a deficient number, since it is larger than the sum of its proper divisors (12116932714327).
30028920204873 is a wasteful number, since it uses less digits than its factorization.
30028920204873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526823161511.
The product of its (nonzero) digits is 1161216, while the sum is 48.
The spelling of 30028920204873 in words is "thirty trillion, twenty-eight billion, nine hundred twenty million, two hundred four thousand, eight hundred seventy-three".
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