Base | Representation |
---|---|
bin | 10011001010110100… |
… | …100000110011100000 |
3 | 1222010102212002000121 |
4 | 103022310200303200 |
5 | 314123123221142 |
6 | 13242221130024 |
7 | 1326025330300 |
oct | 231264406340 |
9 | 58112762017 |
10 | 20582632672 |
11 | 88023a5628 |
12 | 3ba50b9914 |
13 | 1c303024b4 |
14 | dd382b600 |
15 | 806ea7c67 |
hex | 4cad20ce0 |
20582632672 has 36 divisors (see below), whose sum is σ = 47137907880. Its totient is φ = 8821127616.
The previous prime is 20582632669. The next prime is 20582632673. The reversal of 20582632672 is 27623628502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20582632673) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6561772 + ... + 6564907.
It is an arithmetic number, because the mean of its divisors is an integer number (1309386330).
Almost surely, 220582632672 is an apocalyptic number.
It is an amenable number.
20582632672 is an abundant number, since it is smaller than the sum of its proper divisors (26555275208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20582632672 is a wasteful number, since it uses less digits than its factorization.
20582632672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13126703 (or 13126688 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 43.
The spelling of 20582632672 in words is "twenty billion, five hundred eighty-two million, six hundred thirty-two thousand, six hundred seventy-two".
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