Base | Representation |
---|---|
bin | 11011111111001110… |
… | …001010000011011100 |
3 | 2212120100120210101001 |
4 | 123333032022003130 |
5 | 443021214030202 |
6 | 21450000200044 |
7 | 2112465164305 |
oct | 337716120334 |
9 | 85510523331 |
10 | 30051705052 |
11 | 11821449886 |
12 | 59a8309024 |
13 | 2aabcc95c5 |
14 | 16512677ac |
15 | bad43dd87 |
hex | 6ff38a0dc |
30051705052 has 12 divisors (see below), whose sum is σ = 55684041840. Its totient is φ = 14141978816.
The previous prime is 30051705049. The next prime is 30051705067. The reversal of 30051705052 is 25050715003.
It is a self number, because there is not a number n which added to its sum of digits gives 30051705052.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220968352 + ... + 220968487.
It is an arithmetic number, because the mean of its divisors is an integer number (4640336820).
Almost surely, 230051705052 is an apocalyptic number.
It is an amenable number.
30051705052 is a deficient number, since it is larger than the sum of its proper divisors (25632336788).
30051705052 is a wasteful number, since it uses less digits than its factorization.
30051705052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 441936860 (or 441936858 counting only the distinct ones).
The product of its (nonzero) digits is 5250, while the sum is 28.
The spelling of 30051705052 in words is "thirty billion, fifty-one million, seven hundred five thousand, fifty-two".
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