Base | Representation |
---|---|
bin | 1011010111011111110… |
… | …1110010110001000000 |
3 | 200200001211110122010100 |
4 | 2311313331302301000 |
5 | 11144421232400434 |
6 | 225414021202400 |
7 | 20052242305524 |
oct | 2656775626100 |
9 | 620054418110 |
10 | 195286215744 |
11 | 75902a83334 |
12 | 31a20b60400 |
13 | 15552873219 |
14 | 9648045d84 |
15 | 512e707699 |
hex | 2d77f72c40 |
195286215744 has 63 divisors (see below), whose sum is σ = 559783078933. Its totient is φ = 65091869952.
The previous prime is 195286215721. The next prime is 195286215763. The reversal of 195286215744 is 447512682591.
The square root of 195286215744 is 441912.
It is a perfect power (a square), and thus also a powerful number.
195286215744 is a `hidden beast` number, since 1 + 9 + 5 + 2 + 8 + 62 + 1 + 574 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 51275073600 + 144011142144 = 226440^2 + 379488^2 .
It is a super-2 number, since 2×1952862157442 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10596682 + ... + 10615094.
Almost surely, 2195286215744 is an apocalyptic number.
195286215744 is the 441912-nd square number.
It is an amenable number.
195286215744 is an abundant number, since it is smaller than the sum of its proper divisors (364496863189).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
195286215744 is an frugal number, since it uses more digits than its factorization.
195286215744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36844 (or 18418 counting only the distinct ones).
The product of its digits is 4838400, while the sum is 54.
The spelling of 195286215744 in words is "one hundred ninety-five billion, two hundred eighty-six million, two hundred fifteen thousand, seven hundred forty-four".
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