Base | Representation |
---|---|
bin | 110111010101100000001011… |
… | …1100000111000101110101001 |
3 | 2100211101221011201121110110000 |
4 | 1232223000113200320232221 |
5 | 1002244223414220434100 |
6 | 4443113250333413213 |
7 | 204344560025426451 |
oct | 15653002740705651 |
9 | 2324357151543400 |
10 | 486740448218025 |
11 | 1310aa5127a3741 |
12 | 4671168733a209 |
13 | 17b79572a83ac1 |
14 | 882a513216d61 |
15 | 3b41381ac9900 |
hex | 1bab017838ba9 |
486740448218025 has 45 divisors (see below), whose sum is σ = 901613405067463. Its totient is φ = 259594376223600.
The previous prime is 486740448217981. The next prime is 486740448218029. The reversal of 486740448218025 is 520812844047684.
The square root of 486740448218025 is 22062195.
It is a perfect power (a square), and thus also a powerful number.
486740448218025 is a `hidden beast` number, since 4 + 8 + 6 + 7 + 4 + 0 + 448 + 2 + 180 + 2 + 5 = 666.
It can be written as a sum of positive squares in only one way, i.e., 175226561358489 + 311513886859536 = 13237317^2 + 17649756^2 .
It is a tau number, because it is divible by the number of its divisors (45).
It is not a de Polignac number, because 486740448218025 - 229 = 486739911347113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (486740448218029) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 992553640 + ... + 993043910.
Almost surely, 2486740448218025 is an apocalyptic number.
486740448218025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
486740448218025 is the 22062195-th square number.
486740448218025 is the 11031098-th centered octagonal number.
It is an amenable number.
486740448218025 is a deficient number, since it is larger than the sum of its proper divisors (414872956849438).
486740448218025 is an frugal number, since it uses more digits than its factorization.
486740448218025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 980564 (or 490279 counting only the distinct ones).
The product of its (nonzero) digits is 110100480, while the sum is 63.
The spelling of 486740448218025 in words is "four hundred eighty-six trillion, seven hundred forty billion, four hundred forty-eight million, two hundred eighteen thousand, twenty-five".
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