Base | Representation |
---|---|
bin | 1101101001111111001111… |
… | …00001110111010100000110 |
3 | 10221022211200101110022120111 |
4 | 12310333213201313110012 |
5 | 12414002420144434200 |
6 | 143511331504023234 |
7 | 6216411261665551 |
oct | 664774741672406 |
9 | 127284611408514 |
10 | 30030000780550 |
11 | 9628719618571 |
12 | 3450022601b1a |
13 | 139aa80a186c4 |
14 | 75b661959698 |
15 | 371238a090ba |
hex | 1b4fe7877506 |
30030000780550 has 48 divisors (see below), whose sum is σ = 61712803690272. Its totient is φ = 10813872396800.
The previous prime is 30030000780517. The next prime is 30030000780581. The reversal of 30030000780550 is 5508700003003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 768011161 + ... + 768050260.
It is an arithmetic number, because the mean of its divisors is an integer number (1285683410214).
Almost surely, 230030000780550 is an apocalyptic number.
30030000780550 is an abundant number, since it is smaller than the sum of its proper divisors (31682802909722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30030000780550 is a wasteful number, since it uses less digits than its factorization.
30030000780550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1536061473 (or 1536061468 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 31.
Adding to 30030000780550 its reverse (5508700003003), we get a palindrome (35538700783553).
The spelling of 30030000780550 in words is "thirty trillion, thirty billion, seven hundred eighty thousand, five hundred fifty".
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