Base | Representation |
---|---|
bin | 111011011100011… |
… | …0011000000111011 |
3 | 12011000012012111212 |
4 | 1312320303000323 |
5 | 13041104204012 |
6 | 525531113335 |
7 | 100266552554 |
oct | 16670630073 |
9 | 5130165455 |
10 | 1994600507 |
11 | 933999979 |
12 | 477ba284b |
13 | 25a3067b3 |
14 | 14cc9132b |
15 | ba197b22 |
hex | 76e3303b |
1994600507 has 4 divisors (see below), whose sum is σ = 1995798696. Its totient is φ = 1993402320.
The previous prime is 1994600471. The next prime is 1994600521. The reversal of 1994600507 is 7050064991.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7050064991 = 79 ⋅89241329.
It is a cyclic number.
It is not a de Polignac number, because 1994600507 - 212 = 1994596411 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1994600557) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596594 + ... + 599927.
It is an arithmetic number, because the mean of its divisors is an integer number (498949674).
Almost surely, 21994600507 is an apocalyptic number.
1994600507 is a deficient number, since it is larger than the sum of its proper divisors (1198189).
1994600507 is a wasteful number, since it uses less digits than its factorization.
1994600507 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1198188.
The product of its (nonzero) digits is 68040, while the sum is 41.
The square root of 1994600507 is about 44660.9505832556. The cubic root of 1994600507 is about 1258.7862055357.
The spelling of 1994600507 in words is "one billion, nine hundred ninety-four million, six hundred thousand, five hundred seven".
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