Base | Representation |
---|---|
bin | 1001001111100010101111… |
… | …00110101010000000000000 |
3 | 2122222002000222010020220220 |
4 | 10213301113212222000000 |
5 | 10131002110234332333 |
6 | 111121143201303040 |
7 | 4165310523616146 |
oct | 447612746520000 |
9 | 78862028106826 |
10 | 20325254995968 |
11 | 652698a62662a |
12 | 2343206934a80 |
13 | b4588141a530 |
14 | 503a67563596 |
15 | 253a8e7d68b3 |
hex | 127c579aa000 |
20325254995968 has 448 divisors, whose sum is σ = 58941336666240. Its totient is φ = 6192651829248.
The previous prime is 20325254995963. The next prime is 20325254996027. The reversal of 20325254995968 is 86959945252302.
It is a super-2 number, since 2×203252549959682 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20325254995963) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16756186530 + ... + 16756187742.
It is an arithmetic number, because the mean of its divisors is an integer number (131565483630).
Almost surely, 220325254995968 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 20325254995968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29470668333120).
20325254995968 is an abundant number, since it is smaller than the sum of its proper divisors (38616081670272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20325254995968 is a wasteful number, since it uses less digits than its factorization.
20325254995968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1727 (or 1703 counting only the distinct ones).
The product of its (nonzero) digits is 419904000, while the sum is 69.
The spelling of 20325254995968 in words is "twenty trillion, three hundred twenty-five billion, two hundred fifty-four million, nine hundred ninety-five thousand, nine hundred sixty-eight".
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