Base | Representation |
---|---|
bin | 1101101111001110101110… |
… | …00000110010010110000101 |
3 | 10221222001120200001112022202 |
4 | 12313213113000302112011 |
5 | 12424430302222103141 |
6 | 144130200051004245 |
7 | 6235415513440514 |
oct | 667472700622605 |
9 | 127861520045282 |
10 | 30210112300421 |
11 | 96980448aa229 |
12 | 347ab09599685 |
13 | 13b1a557a8031 |
14 | 76626a4a467b |
15 | 375c7ade049b |
hex | 1b79d7032585 |
30210112300421 has 4 divisors (see below), whose sum is σ = 31026601822092. Its totient is φ = 29393622778752.
The previous prime is 30210112300397. The next prime is 30210112300457. The reversal of 30210112300421 is 12400321101203.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10317522168100 + 19892590132321 = 3212090^2 + 4460111^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30210112300421 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30210112300393 and 30210112300402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30210112300321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408244760780 + ... + 408244760853.
It is an arithmetic number, because the mean of its divisors is an integer number (7756650455523).
Almost surely, 230210112300421 is an apocalyptic number.
It is an amenable number.
30210112300421 is a deficient number, since it is larger than the sum of its proper divisors (816489521671).
30210112300421 is an equidigital number, since it uses as much as digits as its factorization.
30210112300421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816489521670.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 30210112300421 its reverse (12400321101203), we get a palindrome (42610433401624).
The spelling of 30210112300421 in words is "thirty trillion, two hundred ten billion, one hundred twelve million, three hundred thousand, four hundred twenty-one".
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