Base | Representation |
---|---|
bin | 11010010011101010101… |
… | …11100110001010010001 |
3 | 10012102011012101002010101 |
4 | 31021311113212022101 |
5 | 104302203014031144 |
6 | 1531130200332401 |
7 | 122206534241122 |
oct | 15116527461221 |
9 | 3172135332111 |
10 | 903912252049 |
11 | 31938a9a0754 |
12 | 127226474101 |
13 | 67314166951 |
14 | 31a6cc18049 |
15 | 187a5c1c6d4 |
hex | d2755e6291 |
903912252049 has 3 divisors (see below), whose sum is σ = 903913202793. Its totient is φ = 903911301306.
The previous prime is 903912251999. The next prime is 903912252059. The reversal of 903912252049 is 940252219309.
The square root of 903912252049 is 950743.
It is a perfect power (a square), and thus also a powerful number.
903912252049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 903912252049 - 235 = 869552513681 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (903912252059) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 475372 + ... + 1426114.
It is an arithmetic number, because the mean of its divisors is an integer number (301304400931).
Almost surely, 2903912252049 is an apocalyptic number.
903912252049 is the 950743-rd square number.
903912252049 is the 475372-nd centered octagonal number.
It is an amenable number.
903912252049 is a deficient number, since it is larger than the sum of its proper divisors (950744).
903912252049 is an frugal number, since it uses more digits than its factorization.
903912252049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1901486 (or 950743 counting only the distinct ones).
The product of its (nonzero) digits is 349920, while the sum is 46.
The spelling of 903912252049 in words is "nine hundred three billion, nine hundred twelve million, two hundred fifty-two thousand, forty-nine".
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