Base | Representation |
---|---|
bin | 101100111001010011… |
… | …111000101011110001 |
3 | 11121102120101101011221 |
4 | 230321103320223301 |
5 | 1242211233420411 |
6 | 34051241105041 |
7 | 3324410360302 |
oct | 547123705361 |
9 | 147376341157 |
10 | 48206154481 |
11 | 194981323a1 |
12 | 9414188181 |
13 | 4713226084 |
14 | 24943ba7a9 |
15 | 13c2155071 |
hex | b394f8af1 |
48206154481 has 27 divisors (see below), whose sum is σ = 51134520801. Its totient is φ = 45443443584.
The previous prime is 48206154421. The next prime is 48206154487. The reversal of 48206154481 is 18445160284.
The square root of 48206154481 is 219559.
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 16634550625 + 31571603856 = 128975^2 + 177684^2 .
It is not a de Polignac number, because 48206154481 - 217 = 48206023409 is a prime.
It is a super-2 number, since 2×482061544812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (48206154487) 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, 426603081 + ... + 426603193.
Almost surely, 248206154481 is an apocalyptic number.
48206154481 is the 219559-th square number.
48206154481 is the 109780-th centered octagonal number.
It is an amenable number.
48206154481 is a deficient number, since it is larger than the sum of its proper divisors (2928366320).
48206154481 is an frugal number, since it uses more digits than its factorization.
48206154481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 418 (or 209 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 43.
The spelling of 48206154481 in words is "forty-eight billion, two hundred six million, one hundred fifty-four thousand, four hundred eighty-one".
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