Base | Representation |
---|---|
bin | 110010101011101011… |
… | …1011100111111111001 |
3 | 101101221020120020120121 |
4 | 1211113113130333321 |
5 | 3240401011321111 |
6 | 122000025453241 |
7 | 10602104203321 |
oct | 1452727347771 |
9 | 341836506517 |
10 | 108839948281 |
11 | 4218234a089 |
12 | 19116341221 |
13 | a35708187c |
14 | 53a70d2281 |
15 | 2c7034d871 |
hex | 19575dcff9 |
108839948281 has 9 divisors (see below), whose sum is σ = 109941230469. Its totient is φ = 107749599036.
The previous prime is 108839948219. The next prime is 108839948303. The reversal of 108839948281 is 182849938801.
The square root of 108839948281 is 329909.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 108839948281 - 223 = 108831559673 is a prime.
It is a super-2 number, since 2×1088399482812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (108839945281) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33979026 + ... + 33982228.
Almost surely, 2108839948281 is an apocalyptic number.
108839948281 is the 329909-th square number.
108839948281 is the 164955-th centered octagonal number.
It is an amenable number.
108839948281 is a deficient number, since it is larger than the sum of its proper divisors (1101282188).
108839948281 is an frugal number, since it uses more digits than its factorization.
108839948281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6612 (or 3306 counting only the distinct ones).
The product of its (nonzero) digits is 7962624, while the sum is 61.
The spelling of 108839948281 in words is "one hundred eight billion, eight hundred thirty-nine million, nine hundred forty-eight thousand, two hundred eighty-one".
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