Base | Representation |
---|---|
bin | 110001000111010000… |
… | …000001001001010001 |
3 | 12001010012012000001100 |
4 | 301013100001021101 |
5 | 1331000124121011 |
6 | 40120501455013 |
7 | 3544552003161 |
oct | 610720011121 |
9 | 161105160040 |
10 | 52734988881 |
11 | 20401587743 |
12 | a278a11469 |
13 | 4c85587143 |
14 | 27a3a705a1 |
15 | 1589a3bd56 |
hex | c47401251 |
52734988881 has 27 divisors (see below), whose sum is σ = 78117789243. Its totient is φ = 34280808480.
The previous prime is 52734988847. The next prime is 52734988921. The reversal of 52734988881 is 18888943725.
The square root of 52734988881 is 229641.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 2541067281 + 50193921600 = 50409^2 + 224040^2 .
It is not a de Polignac number, because 52734988881 - 231 = 50587505233 is a prime.
It is a super-2 number, since 2×527349888812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (52734988681) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28244910 + ... + 28246776.
Almost surely, 252734988881 is an apocalyptic number.
52734988881 is the 229641-st square number.
52734988881 is the 114821-st centered octagonal number.
It is an amenable number.
52734988881 is a deficient number, since it is larger than the sum of its proper divisors (25382800362).
52734988881 is an frugal number, since it uses more digits than its factorization.
52734988881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3822 (or 1911 counting only the distinct ones).
The product of its digits is 30965760, while the sum is 63.
The spelling of 52734988881 in words is "fifty-two billion, seven hundred thirty-four million, nine hundred eighty-eight thousand, eight hundred eighty-one".
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