Base | Representation |
---|---|
bin | 1100110001100110001001… |
… | …01000011100000000000001 |
3 | 10200110121100121121202000201 |
4 | 12120303010220130000001 |
5 | 12140231201033110000 |
6 | 135425244042245201 |
7 | 5626415330016100 |
oct | 630630450340001 |
9 | 120417317552021 |
10 | 28092385050625 |
11 | 8a50a05aa3185 |
12 | 31985aaab6801 |
13 | 128a13cb8050c |
14 | 6d1970486037 |
15 | 33ab3274996a |
hex | 198cc4a1c001 |
28092385050625 has 135 divisors (see below), whose sum is σ = 42238550983167. Its totient is φ = 18622870560000.
The previous prime is 28092385050619. The next prime is 28092385050637. The reversal of 28092385050625 is 52605058329082.
The square root of 28092385050625 is 5300225.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 7 ways, for example, as 7436741707521 + 20655643343104 = 2727039^2 + 4544848^2 .
It is not a de Polignac number, because 28092385050625 - 215 = 28092385017857 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 28753720137 + ... + 28753721113.
Almost surely, 228092385050625 is an apocalyptic number.
28092385050625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
28092385050625 is the 5300225-th square number.
28092385050625 is the 2650113-rd centered octagonal number.
It is an amenable number.
28092385050625 is a deficient number, since it is larger than the sum of its proper divisors (14146165932542).
28092385050625 is an frugal number, since it uses more digits than its factorization.
28092385050625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2050 (or 1020 counting only the distinct ones).
The product of its (nonzero) digits is 10368000, while the sum is 55.
The spelling of 28092385050625 in words is "twenty-eight trillion, ninety-two billion, three hundred eighty-five million, fifty thousand, six hundred twenty-five".
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