Base | Representation |
---|---|
bin | 1010010000111101… |
… | …1101001010101001 |
3 | 21010000222200000221 |
4 | 2210033131022221 |
5 | 21120402440144 |
6 | 1133232130041 |
7 | 125166330400 |
oct | 24417351251 |
9 | 7100880027 |
10 | 2755515049 |
11 | 1194464271 |
12 | 64a996921 |
13 | 34bb531a1 |
14 | 1c1d64637 |
15 | 111d9dd84 |
hex | a43dd2a9 |
2755515049 has 9 divisors (see below), whose sum is σ = 3205822557. Its totient is φ = 2361555084.
The previous prime is 2755515017. The next prime is 2755515067. The reversal of 2755515049 is 9405155572.
The square root of 2755515049 is 52493.
It is a perfect power (a square), and thus also a powerful number.
2755515049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2755515049 - 25 = 2755515017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2755514996 and 2755515014.
It is not an unprimeable number, because it can be changed into a prime (2755515079) 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, 363702 + ... + 371200.
Almost surely, 22755515049 is an apocalyptic number.
2755515049 is the 52493-rd square number.
2755515049 is the 26247-th centered octagonal number.
It is an amenable number.
2755515049 is a deficient number, since it is larger than the sum of its proper divisors (450307508).
2755515049 is an frugal number, since it uses more digits than its factorization.
2755515049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15012 (or 7506 counting only the distinct ones).
The product of its (nonzero) digits is 315000, while the sum is 43.
The cubic root of 2755515049 is about 1401.9556086767.
The spelling of 2755515049 in words is "two billion, seven hundred fifty-five million, five hundred fifteen thousand, forty-nine".
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