Base | Representation |
---|---|
bin | 1101101001101101011001… |
… | …00011011110110011111110 |
3 | 10221021220221210012002021001 |
4 | 12310312230203132303332 |
5 | 12413323310340223032 |
6 | 143503105145000514 |
7 | 6215622012503605 |
oct | 664665443366376 |
9 | 127256853162231 |
10 | 30020421414142 |
11 | 9624653291825 |
12 | 344a1aa48313a |
13 | 1399bb5215463 |
14 | 75add360ca3c |
15 | 370d77a383e7 |
hex | 1b4dac8decfe |
30020421414142 has 32 divisors (see below), whose sum is σ = 45742282871040. Its totient is φ = 14775217516800.
The previous prime is 30020421414133. The next prime is 30020421414199. The reversal of 30020421414142 is 24141412402003.
It is a self number, because there is not a number n which added to its sum of digits gives 30020421414142.
It is a congruent number.
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, 21270798 + ... + 22638190.
It is an arithmetic number, because the mean of its divisors is an integer number (1429446339720).
Almost surely, 230020421414142 is an apocalyptic number.
30020421414142 is a deficient number, since it is larger than the sum of its proper divisors (15721861456898).
30020421414142 is a wasteful number, since it uses less digits than its factorization.
30020421414142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1368208.
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 30020421414142 its reverse (24141412402003), we get a palindrome (54161833816145).
The spelling of 30020421414142 in words is "thirty trillion, twenty billion, four hundred twenty-one million, four hundred fourteen thousand, one hundred forty-two".
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