Base | Representation |
---|---|
bin | 110001010001000101… |
… | …011111000100000000 |
3 | 12001112200200102202021 |
4 | 301101011133010000 |
5 | 1331314400000000 |
6 | 40145114331224 |
7 | 3551624403151 |
oct | 612105370400 |
9 | 161480612667 |
10 | 52900000000 |
11 | 20486741a71 |
12 | a304129b14 |
13 | 4cb0810763 |
14 | 27bb945928 |
15 | 159928411a |
hex | c5115f100 |
52900000000 has 243 divisors, whose sum is σ = 137979909823. Its totient is φ = 20240000000.
The previous prime is 52899999959. The next prime is 52900000001. The reversal of 52900000000 is 925.
The square root of 52900000000 is 230000.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 37611172096 + 15288827904 = 193936^2 + 123648^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 52900000000.
It is not an unprimeable number, because it can be changed into a prime (52900000001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2299999989 + ... + 2300000011.
Almost surely, 252900000000 is an apocalyptic number.
52900000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
52900000000 is the 230000-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 52900000000
52900000000 is an abundant number, since it is smaller than the sum of its proper divisors (85079909823).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52900000000 is an frugal number, since it uses more digits than its factorization.
52900000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102 (or 30 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 16.
Multiplying 52900000000 by its sum of digits (16), we get a square (846400000000 = 9200002).
52900000000 divided by its sum of digits (16) gives a square (3306250000 = 575002).
Adding to 52900000000 its reverse (925), we get a palindrome (52900000925).
The spelling of 52900000000 in words is "fifty-two billion, nine hundred million", and thus it is an aban number.
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