Base | Representation |
---|---|
bin | 11100000011100010… |
… | …000001000100101100 |
3 | 2212202101122202211220 |
4 | 130003202001010230 |
5 | 443143222120022 |
6 | 21501102143340 |
7 | 2114333642142 |
oct | 340342010454 |
9 | 85671582756 |
10 | 30124020012 |
11 | 11859251109 |
12 | 5a08581b50 |
13 | 2ac0c98a18 |
14 | 165aacd592 |
15 | bb497585c |
hex | 70388112c |
30124020012 has 48 divisors (see below), whose sum is σ = 72796050432. Its totient is φ = 9689263360.
The previous prime is 30124019999. The next prime is 30124020067. The reversal of 30124020012 is 21002042103.
It is a junction number, because it is equal to n+sod(n) for n = 30124019973 and 30124020000.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336093 + ... + 416180.
It is an arithmetic number, because the mean of its divisors is an integer number (1516584384).
Almost surely, 230124020012 is an apocalyptic number.
It is an amenable number.
30124020012 is an abundant number, since it is smaller than the sum of its proper divisors (42672030420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30124020012 is a wasteful number, since it uses less digits than its factorization.
30124020012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 752398 (or 752396 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 30124020012 its reverse (21002042103), we get a palindrome (51126062115).
The spelling of 30124020012 in words is "thirty billion, one hundred twenty-four million, twenty thousand, twelve".
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