Base | Representation |
---|---|
bin | 10010111000011111… |
… | …100100010111100000 |
3 | 1221100000021110022121 |
4 | 102320133210113200 |
5 | 313010414333402 |
6 | 13151514514024 |
7 | 1315302644230 |
oct | 227037442740 |
9 | 57300243277 |
10 | 20275152352 |
11 | 8664882064 |
12 | 3b1a135914 |
13 | 1bb16b5990 |
14 | da4a6bcc0 |
15 | 7d9ebc837 |
hex | 4b87e45e0 |
20275152352 has 192 divisors, whose sum is σ = 50142758400. Its totient is φ = 7857137664.
The previous prime is 20275152347. The next prime is 20275152397. The reversal of 20275152352 is 25325157202.
It is a super-2 number, since 2×202751523522 (a number of 21 digits) contains 22 as substring.
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 in 31 ways as a sum of consecutive naturals, for example, 36012423 + ... + 36012985.
It is an arithmetic number, because the mean of its divisors is an integer number (261160200).
Almost surely, 220275152352 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 20275152352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25071379200).
20275152352 is an abundant number, since it is smaller than the sum of its proper divisors (29867606048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20275152352 is a wasteful number, since it uses less digits than its factorization.
20275152352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 825 (or 817 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 34.
The spelling of 20275152352 in words is "twenty billion, two hundred seventy-five million, one hundred fifty-two thousand, three hundred fifty-two".
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