Base | Representation |
---|---|
bin | 11011111100010000… |
… | …100101111101110011 |
3 | 2212102220002010100100 |
4 | 123330100211331303 |
5 | 442421003341034 |
6 | 21441023123443 |
7 | 2111322615540 |
oct | 337420457563 |
9 | 85386063310 |
10 | 30002012019 |
11 | 117a6398761 |
12 | 5993743583 |
13 | 2aa191ab45 |
14 | 164880dbc7 |
15 | ba8dc5099 |
hex | 6fc425f73 |
30002012019 has 12 divisors (see below), whose sum is σ = 49527131056. Its totient is φ = 17144006832.
The previous prime is 30002011999. The next prime is 30002012057. The reversal of 30002012019 is 91021020003.
It is a happy number.
It is not a de Polignac number, because 30002012019 - 217 = 30001880947 is a prime.
It is a super-2 number, since 2×300020120192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30002011992 and 30002012010.
It is not an unprimeable number, because it can be changed into a prime (30002012099) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238111144 + ... + 238111269.
Almost surely, 230002012019 is an apocalyptic number.
30002012019 is a deficient number, since it is larger than the sum of its proper divisors (19525119037).
30002012019 is a wasteful number, since it uses less digits than its factorization.
30002012019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476222426 (or 476222423 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The spelling of 30002012019 in words is "thirty billion, two million, twelve thousand, nineteen".
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