Base | Representation |
---|---|
bin | 11100100110000100… |
… | …001100001001110111 |
3 | 2221020202212111202202 |
4 | 130212010030021313 |
5 | 1000340032404024 |
6 | 22034400255115 |
7 | 2134600424216 |
oct | 344604141167 |
9 | 87222774682 |
10 | 30703403639 |
11 | 120262a8657 |
12 | 5b4a61149b |
13 | 2b8402677c |
14 | 16b3a2b07d |
15 | bea76ebae |
hex | 72610c277 |
30703403639 has 12 divisors (see below), whose sum is σ = 34033808784. Its totient is φ = 27640909824.
The previous prime is 30703403617. The next prime is 30703403651. The reversal of 30703403639 is 93630430703.
It is not a de Polignac number, because 30703403639 - 28 = 30703403383 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30703403669) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2302922 + ... + 2316215.
It is an arithmetic number, because the mean of its divisors is an integer number (2836150732).
Almost surely, 230703403639 is an apocalyptic number.
30703403639 is a deficient number, since it is larger than the sum of its proper divisors (3330405145).
30703403639 is a wasteful number, since it uses less digits than its factorization.
30703403639 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4619194 (or 4619177 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 38.
The spelling of 30703403639 in words is "thirty billion, seven hundred three million, four hundred three thousand, six hundred thirty-nine".
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