Base | Representation |
---|---|
bin | 10011001010110100… |
… | …010001101110001110 |
3 | 1222010102201221021112 |
4 | 103022310101232032 |
5 | 314123114232034 |
6 | 13242215532022 |
7 | 1326024652214 |
oct | 231264215616 |
9 | 58112657245 |
10 | 20582570894 |
11 | 8802363176 |
12 | 3ba508a012 |
13 | 1c302b0342 |
14 | dd3812cb4 |
15 | 806e947ce |
hex | 4cad11b8e |
20582570894 has 4 divisors (see below), whose sum is σ = 30873856344. Its totient is φ = 10291285446.
The previous prime is 20582570861. The next prime is 20582570909. The reversal of 20582570894 is 49807528502.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 5145642722 + ... + 5145642725.
It is an arithmetic number, because the mean of its divisors is an integer number (7718464086).
Almost surely, 220582570894 is an apocalyptic number.
20582570894 is a deficient number, since it is larger than the sum of its proper divisors (10291285450).
20582570894 is a wasteful number, since it uses less digits than its factorization.
20582570894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10291285449.
The product of its (nonzero) digits is 1612800, while the sum is 50.
The spelling of 20582570894 in words is "twenty billion, five hundred eighty-two million, five hundred seventy thousand, eight hundred ninety-four".
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