Base | Representation |
---|---|
bin | 111000111111110… |
… | …0011011110100001 |
3 | 11221021200100022011 |
4 | 1301333203132201 |
5 | 12404044021133 |
6 | 513435112521 |
7 | 65251601221 |
oct | 16177433641 |
9 | 4837610264 |
10 | 1912485793 |
11 | 8a1603979 |
12 | 4545a2741 |
13 | 2462b59ca |
14 | 141dd8081 |
15 | b2d776cd |
hex | 71fe37a1 |
1912485793 has 8 divisors (see below), whose sum is σ = 2031959520. Its totient is φ = 1794893760.
The previous prime is 1912485791. The next prime is 1912485851. The reversal of 1912485793 is 3975842191.
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 1912485793 - 21 = 1912485791 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1912485791) 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 7 ways as a sum of consecutive naturals, for example, 468328 + ... + 472393.
It is an arithmetic number, because the mean of its divisors is an integer number (253994940).
Almost surely, 21912485793 is an apocalyptic number.
It is an amenable number.
1912485793 is a deficient number, since it is larger than the sum of its proper divisors (119473727).
1912485793 is a wasteful number, since it uses less digits than its factorization.
1912485793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 940847.
The product of its digits is 544320, while the sum is 49.
The square root of 1912485793 is about 43731.9767790115. The cubic root of 1912485793 is about 1241.2694667023.
The spelling of 1912485793 in words is "one billion, nine hundred twelve million, four hundred eighty-five thousand, seven hundred ninety-three".
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