Base | Representation |
---|---|
bin | 11010111101000100… |
… | …000000100111100001 |
3 | 2202201000000011111201 |
4 | 122331010000213201 |
5 | 433233041424310 |
6 | 21143510041201 |
7 | 2043126543052 |
oct | 327504004741 |
9 | 82630004451 |
10 | 28941748705 |
11 | 11301954191 |
12 | 5738649201 |
13 | 2963070bbc |
14 | 1587a96729 |
15 | b45c8ce3a |
hex | 6bd1009e1 |
28941748705 has 8 divisors (see below), whose sum is σ = 34768395072. Its totient is φ = 23127867888.
The previous prime is 28941748697. The next prime is 28941748709. The reversal of 28941748705 is 50784714982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28941748705 - 23 = 28941748697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28941748709) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3186397 + ... + 3195466.
It is an arithmetic number, because the mean of its divisors is an integer number (4346049384).
Almost surely, 228941748705 is an apocalyptic number.
It is an amenable number.
28941748705 is a deficient number, since it is larger than the sum of its proper divisors (5826646367).
28941748705 is an equidigital number, since it uses as much as digits as its factorization.
28941748705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6382775.
The product of its (nonzero) digits is 4515840, while the sum is 55.
The spelling of 28941748705 in words is "twenty-eight billion, nine hundred forty-one million, seven hundred forty-eight thousand, seven hundred five".
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