Base | Representation |
---|---|
bin | 11100000011010111… |
… | …100101100110001000 |
3 | 2212202012111212112002 |
4 | 130003113211212020 |
5 | 443142022123044 |
6 | 21500523410132 |
7 | 2114301464264 |
oct | 340327454610 |
9 | 85665455462 |
10 | 30121286024 |
11 | 11857754015 |
12 | 5a07683948 |
13 | 2ac054c48b |
14 | 165a5bb0a4 |
15 | bb45d574e |
hex | 7035e5988 |
30121286024 has 32 divisors (see below), whose sum is σ = 57132345600. Its totient is φ = 14886115200.
The previous prime is 30121286023. The next prime is 30121286051. The reversal of 30121286024 is 42068212103.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30121286021) 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, 2647949 + ... + 2659299.
It is an arithmetic number, because the mean of its divisors is an integer number (1785385800).
Almost surely, 230121286024 is an apocalyptic number.
It is an amenable number.
30121286024 is a deficient number, since it is larger than the sum of its proper divisors (27011059576).
30121286024 is a wasteful number, since it uses less digits than its factorization.
30121286024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15173 (or 15169 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
Adding to 30121286024 its reverse (42068212103), we get a palindrome (72189498127).
The spelling of 30121286024 in words is "thirty billion, one hundred twenty-one million, two hundred eighty-six thousand, twenty-four".
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