Base | Representation |
---|---|
bin | 1101110100110100100100… |
… | …01000110110100110110101 |
3 | 10222122102110200222220002200 |
4 | 12322122102020312212311 |
5 | 12441102231430043240 |
6 | 144354331454455113 |
7 | 6255326415560502 |
oct | 672322210664665 |
9 | 128572420886080 |
10 | 30402230315445 |
11 | 976157147945a |
12 | 34b01a5504499 |
13 | 13c6bc1b64671 |
14 | 77169383c4a9 |
15 | 37ac723cb930 |
hex | 1ba6922369b5 |
30402230315445 has 12 divisors (see below), whose sum is σ = 52697199213516. Its totient is φ = 16214522834880.
The previous prime is 30402230315321. The next prime is 30402230315491. The reversal of 30402230315445 is 54451303220403.
30402230315445 is a `hidden beast` number, since 3 + 0 + 402 + 230 + 3 + 15 + 4 + 4 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 17612265709809 + 12789964605636 = 4196697^2 + 3576306^2 .
It is not a de Polignac number, because 30402230315445 - 28 = 30402230315189 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 337802559016 + ... + 337802559105.
It is an arithmetic number, because the mean of its divisors is an integer number (4391433267793).
Almost surely, 230402230315445 is an apocalyptic number.
It is an amenable number.
30402230315445 is a deficient number, since it is larger than the sum of its proper divisors (22294968898071).
30402230315445 is a wasteful number, since it uses less digits than its factorization.
30402230315445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 675605118132 (or 675605118129 counting only the distinct ones).
The product of its (nonzero) digits is 172800, while the sum is 36.
Adding to 30402230315445 its reverse (54451303220403), we get a palindrome (84853533535848).
The spelling of 30402230315445 in words is "thirty trillion, four hundred two billion, two hundred thirty million, three hundred fifteen thousand, four hundred forty-five".
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