Base | Representation |
---|---|
bin | 101100010010000101… |
… | …001010010010110001 |
3 | 11112201200220210200100 |
4 | 230102011022102301 |
5 | 1234334240424100 |
6 | 33502050143013 |
7 | 3302166121134 |
oct | 542205122261 |
9 | 145650823610 |
10 | 47547983025 |
11 | 1918a662444 |
12 | 926b881a69 |
13 | 4639a708ca |
14 | 2430c1021b |
15 | 1384496400 |
hex | b1214a4b1 |
47547983025 has 27 divisors (see below), whose sum is σ = 85169579521. Its totient is φ = 25357179840.
The previous prime is 47547983017. The next prime is 47547983029. The reversal of 47547983025 is 52038974574.
It is a happy number.
The square root of 47547983025 is 218055.
It is a perfect power (a square), and thus also a powerful number.
47547983025 is a `hidden beast` number, since 4 + 7 + 547 + 98 + 3 + 0 + 2 + 5 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 7814736801 + 39733246224 = 88401^2 + 199332^2 .
It is not a de Polignac number, because 47547983025 - 23 = 47547983017 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (47547983029) 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, 3263557 + ... + 3278093.
Almost surely, 247547983025 is an apocalyptic number.
47547983025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
47547983025 is the 218055-th square number.
47547983025 is the 109028-th centered octagonal number.
It is an amenable number.
47547983025 is a deficient number, since it is larger than the sum of its proper divisors (37621596496).
47547983025 is an frugal number, since it uses more digits than its factorization.
47547983025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29090 (or 14545 counting only the distinct ones).
The product of its (nonzero) digits is 8467200, while the sum is 54.
The spelling of 47547983025 in words is "forty-seven billion, five hundred forty-seven million, nine hundred eighty-three thousand, twenty-five".
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