Base | Representation |
---|---|
bin | 1100101010011001… |
… | …10111100110011101 |
3 | 122112202220121002022 |
4 | 12111030313212131 |
5 | 102410311132244 |
6 | 3042323505525 |
7 | 330315200330 |
oct | 62514674635 |
9 | 18482817068 |
10 | 6798145949 |
11 | 2979415741 |
12 | 13988282a5 |
13 | 84454ca8a |
14 | 486c14617 |
15 | 29bc456ee |
hex | 19533799d |
6798145949 has 16 divisors (see below), whose sum is σ = 8122195200. Its totient is φ = 5563261440.
The previous prime is 6798145943. The next prime is 6798145969. The reversal of 6798145949 is 9495418976.
It is a cyclic number.
It is not a de Polignac number, because 6798145949 - 24 = 6798145933 is a prime.
It is a super-2 number, since 2×67981459492 = 92429576687810221202, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 6798145891 and 6798145900.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6798145943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48077 + ... + 126125.
It is an arithmetic number, because the mean of its divisors is an integer number (507637200).
Almost surely, 26798145949 is an apocalyptic number.
It is an amenable number.
6798145949 is a deficient number, since it is larger than the sum of its proper divisors (1324049251).
6798145949 is a wasteful number, since it uses less digits than its factorization.
6798145949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78620.
The product of its digits is 19595520, while the sum is 62.
The square root of 6798145949 is about 82450.8699105110. The cubic root of 6798145949 is about 1894.3642740516.
The spelling of 6798145949 in words is "six billion, seven hundred ninety-eight million, one hundred forty-five thousand, nine hundred forty-nine".
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