Base | Representation |
---|---|
bin | 111001111001000… |
… | …0000001101101001 |
3 | 12000101010121110210 |
4 | 1303302000031221 |
5 | 12434234103123 |
6 | 520430131333 |
7 | 66064606032 |
oct | 16362001551 |
9 | 5011117423 |
10 | 1942487913 |
11 | 907535a13 |
12 | 462650b49 |
13 | 24c58b942 |
14 | 145da7a89 |
15 | b5801e93 |
hex | 73c80369 |
1942487913 has 8 divisors (see below), whose sum is σ = 2592294688. Its totient is φ = 1293836544.
The previous prime is 1942487903. The next prime is 1942487917. The reversal of 1942487913 is 3197842491.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1942487913 - 26 = 1942487849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1942487917) 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, 284920 + ... + 291657.
It is an arithmetic number, because the mean of its divisors is an integer number (324036836).
Almost surely, 21942487913 is an apocalyptic number.
It is an amenable number.
1942487913 is a deficient number, since it is larger than the sum of its proper divisors (649806775).
1942487913 is a wasteful number, since it uses less digits than its factorization.
1942487913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 577703.
The product of its digits is 435456, while the sum is 48.
The square root of 1942487913 is about 44073.6646195889. The cubic root of 1942487913 is about 1247.7266226843.
The spelling of 1942487913 in words is "one billion, nine hundred forty-two million, four hundred eighty-seven thousand, nine hundred thirteen".
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