Base | Representation |
---|---|
bin | 10011001101010010… |
… | …100111011100000000 |
3 | 1222020022211202010200 |
4 | 103031102213130000 |
5 | 314214231003332 |
6 | 13250301325200 |
7 | 1330040530005 |
oct | 231522473400 |
9 | 58208752120 |
10 | 20624078592 |
11 | 8823833557 |
12 | 3bb6b66800 |
13 | 1c38a84200 |
14 | dd91398ac |
15 | 80a94317c |
hex | 4cd4a7700 |
20624078592 has 162 divisors, whose sum is σ = 64391555592. Its totient is φ = 6345750528.
The previous prime is 20624078591. The next prime is 20624078597. The reversal of 20624078592 is 29587042602.
20624078592 is a `hidden beast` number, since 20 + 62 + 407 + 85 + 92 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20624078591) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 362893 + ... + 415859.
Almost surely, 220624078592 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20624078592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32195777796).
20624078592 is an abundant number, since it is smaller than the sum of its proper divisors (43767477000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20624078592 is a wasteful number, since it uses less digits than its factorization.
20624078592 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53015 (or 52985 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The spelling of 20624078592 in words is "twenty billion, six hundred twenty-four million, seventy-eight thousand, five hundred ninety-two".
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