Base | Representation |
---|---|
bin | 1101101111010100010100… |
… | …10110100011111101000111 |
3 | 10221222100100100200220222211 |
4 | 12313222022112203331013 |
5 | 12430002433002132221 |
6 | 144131414412404251 |
7 | 6235553210200360 |
oct | 667521226437507 |
9 | 127870310626884 |
10 | 30213121130311 |
11 | 96993492506a9 |
12 | 347b609176687 |
13 | 13b2114c61652 |
14 | 766473d28b67 |
15 | 375da512a6e1 |
hex | 1b7a8a5a3f47 |
30213121130311 has 4 divisors (see below), whose sum is σ = 34529281291792. Its totient is φ = 25896960968832.
The previous prime is 30213121130299. The next prime is 30213121130449. The reversal of 30213121130311 is 11303112131203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30213121130311 - 217 = 30213120999239 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30213121130011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158080080730 + ... + 2158080080743.
It is an arithmetic number, because the mean of its divisors is an integer number (8632320322948).
Almost surely, 230213121130311 is an apocalyptic number.
30213121130311 is a deficient number, since it is larger than the sum of its proper divisors (4316160161481).
30213121130311 is an equidigital number, since it uses as much as digits as its factorization.
30213121130311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4316160161480.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 30213121130311 its reverse (11303112131203), we get a palindrome (41516233261514).
The spelling of 30213121130311 in words is "thirty trillion, two hundred thirteen billion, one hundred twenty-one million, one hundred thirty thousand, three hundred eleven".
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