Base | Representation |
---|---|
bin | 1101110110110001001000… |
… | …11000001111110001111001 |
3 | 10222212211002112210020010100 |
4 | 12323120210120033301321 |
5 | 12443201213213134224 |
6 | 144445152022510013 |
7 | 6263214623420514 |
oct | 673304430176171 |
9 | 128784075706110 |
10 | 30469108333689 |
11 | 9787970365413 |
12 | 350114a895309 |
13 | 14002bc55881c |
14 | 7749d9977d7b |
15 | 37c8888a0ac9 |
hex | 1bb62460fc79 |
30469108333689 has 27 divisors (see below), whose sum is σ = 46752531677293. Its totient is φ = 19117695259392.
The previous prime is 30469108333679. The next prime is 30469108333721. The reversal of 30469108333689 is 98633380196403.
The square root of 30469108333689 is 5519883.
It is a perfect power (a square), and thus also a powerful number.
30469108333689 is a `hidden beast` number, since 3 + 0 + 469 + 1 + 0 + 83 + 33 + 68 + 9 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 8034486623289 + 22434621710400 = 2834517^2 + 4736520^2 .
It is not a de Polignac number, because 30469108333689 - 27 = 30469108333561 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30469108333619) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 281459917 + ... + 281568149.
Almost surely, 230469108333689 is an apocalyptic number.
30469108333689 is the 5519883-rd square number.
30469108333689 is the 2759942-nd centered octagonal number.
It is an amenable number.
30469108333689 is a deficient number, since it is larger than the sum of its proper divisors (16283423343604).
30469108333689 is an frugal number, since it uses more digits than its factorization.
30469108333689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216506 (or 108253 counting only the distinct ones).
The product of its (nonzero) digits is 60466176, while the sum is 63.
The spelling of 30469108333689 in words is "thirty trillion, four hundred sixty-nine billion, one hundred eight million, three hundred thirty-three thousand, six hundred eighty-nine".
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