Base | Representation |
---|---|
bin | 10011000011000010… |
… | …110011001101100000 |
3 | 1221210100100101122110 |
4 | 103003002303031200 |
5 | 313341223112402 |
6 | 13221240435320 |
7 | 1322552331441 |
oct | 230302631540 |
9 | 57710311573 |
10 | 20452160352 |
11 | 8745790868 |
12 | 3b69478b40 |
13 | 1c0c27ca40 |
14 | dc03872c8 |
15 | 7ea7d456c |
hex | 4c30b3360 |
20452160352 has 192 divisors, whose sum is σ = 61430975424. Its totient is φ = 5902172160.
The previous prime is 20452160347. The next prime is 20452160363. The reversal of 20452160352 is 25306125402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6723952 + ... + 6726992.
It is an arithmetic number, because the mean of its divisors is an integer number (319952997).
Almost surely, 220452160352 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 20452160352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30715487712).
20452160352 is an abundant number, since it is smaller than the sum of its proper divisors (40978815072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20452160352 is a wasteful number, since it uses less digits than its factorization.
20452160352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3401 (or 3393 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 20452160352 its reverse (25306125402), we get a palindrome (45758285754).
The spelling of 20452160352 in words is "twenty billion, four hundred fifty-two million, one hundred sixty thousand, three hundred fifty-two".
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