Base | Representation |
---|---|
bin | 11011111111001100… |
… | …011001010001101000 |
3 | 2212120022201022201011 |
4 | 123333030121101220 |
5 | 443021104234422 |
6 | 21445542233304 |
7 | 2112461231452 |
oct | 337714312150 |
9 | 85508638634 |
10 | 30051243112 |
11 | 11821163810 |
12 | 59a8125834 |
13 | 2aabb97277 |
14 | 16511872d2 |
15 | bad39c077 |
hex | 6ff319468 |
30051243112 has 32 divisors (see below), whose sum is σ = 61511076000. Its totient is φ = 13650184000.
The previous prime is 30051243107. The next prime is 30051243151. The reversal of 30051243112 is 21134215003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10014 + ... + 245362.
It is an arithmetic number, because the mean of its divisors is an integer number (1922221125).
Almost surely, 230051243112 is an apocalyptic number.
It is an amenable number.
30051243112 is an abundant number, since it is smaller than the sum of its proper divisors (31459832888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30051243112 is a wasteful number, since it uses less digits than its factorization.
30051243112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236817 (or 236813 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 30051243112 its reverse (21134215003), we get a palindrome (51185458115).
The spelling of 30051243112 in words is "thirty billion, fifty-one million, two hundred forty-three thousand, one hundred twelve".
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