Base | Representation |
---|---|
bin | 11100100100010000… |
… | …000010010001001111 |
3 | 2221011122120112022220 |
4 | 130210100002101033 |
5 | 1000304234020242 |
6 | 22031351510423 |
7 | 2134050545112 |
oct | 344420022117 |
9 | 87148515286 |
10 | 30672954447 |
11 | 120100a0733 |
12 | 5b40388413 |
13 | 2b7a9251b5 |
14 | 16ad982579 |
15 | be7c57bec |
hex | 72440244f |
30672954447 has 8 divisors (see below), whose sum is σ = 40969916544. Its totient is φ = 20412314328.
The previous prime is 30672954421. The next prime is 30672954449. The reversal of 30672954447 is 74445927603.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30672954447 - 26 = 30672954383 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30672954447.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30672954449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9078523 + ... + 9081900.
It is an arithmetic number, because the mean of its divisors is an integer number (5121239568).
Almost surely, 230672954447 is an apocalyptic number.
30672954447 is a deficient number, since it is larger than the sum of its proper divisors (10296962097).
30672954447 is a wasteful number, since it uses less digits than its factorization.
30672954447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18160989.
The product of its (nonzero) digits is 5080320, while the sum is 51.
The spelling of 30672954447 in words is "thirty billion, six hundred seventy-two million, nine hundred fifty-four thousand, four hundred forty-seven".
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