Base | Representation |
---|---|
bin | 1100111001111010… |
… | …00000000010101101 |
3 | 122212211122020010021 |
4 | 12130331000002231 |
5 | 103142110011244 |
6 | 3103251242141 |
7 | 333454522222 |
oct | 63475000255 |
9 | 18784566107 |
10 | 6928203949 |
11 | 2a35877197 |
12 | 14142a9351 |
13 | 865488a84 |
14 | 49a1cb949 |
15 | 2a8386284 |
hex | 19cf400ad |
6928203949 has 8 divisors (see below), whose sum is σ = 6984714240. Its totient is φ = 6871724496.
The previous prime is 6928203923. The next prime is 6928203983. The reversal of 6928203949 is 9493028296.
It is a happy number.
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 6928203949 - 29 = 6928203437 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6928203896 and 6928203905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6928203349) 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, 715152 + ... + 724774.
It is an arithmetic number, because the mean of its divisors is an integer number (873089280).
Almost surely, 26928203949 is an apocalyptic number.
It is an amenable number.
6928203949 is a deficient number, since it is larger than the sum of its proper divisors (56510291).
6928203949 is a wasteful number, since it uses less digits than its factorization.
6928203949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15419.
The product of its (nonzero) digits is 1679616, while the sum is 52.
The square root of 6928203949 is about 83235.8333231548. The cubic root of 6928203949 is about 1906.3686519154.
The spelling of 6928203949 in words is "six billion, nine hundred twenty-eight million, two hundred three thousand, nine hundred forty-nine".
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