Base | Representation |
---|---|
bin | 10101000001101000… |
… | …10011011000011001 |
3 | 1002010200100211000000 |
4 | 22200310103120121 |
5 | 141104212000100 |
6 | 5104033003213 |
7 | 546504263031 |
oct | 124064233031 |
9 | 32120324000 |
10 | 11288000025 |
11 | 4872866545 |
12 | 22303b3509 |
13 | 10ab7b3473 |
14 | 79123c8c1 |
15 | 460ecc900 |
hex | 2a0d13619 |
11288000025 has 63 divisors (see below), whose sum is σ = 21012779631. Its totient is φ = 6012617040.
The previous prime is 11287999981. The next prime is 11288000027. The reversal of 11288000025 is 52000088211.
The square root of 11288000025 is 106245.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 4063680009 + 7224320016 = 63747^2 + 84996^2 .
It is not a de Polignac number, because 11288000025 - 229 = 10751129113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (11288000027) by changing a digit.
It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 14342682 + ... + 14343468.
Almost surely, 211288000025 is an apocalyptic number.
11288000025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
11288000025 is the 106245-th square number.
11288000025 is the 53123-rd centered octagonal number.
It is an amenable number.
11288000025 is a deficient number, since it is larger than the sum of its proper divisors (9724779606).
11288000025 is an frugal number, since it uses more digits than its factorization.
11288000025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1602 (or 795 counting only the distinct ones).
The product of its (nonzero) digits is 1280, while the sum is 27.
Adding to 11288000025 its reverse (52000088211), we get a palindrome (63288088236).
The spelling of 11288000025 in words is "eleven billion, two hundred eighty-eight million, twenty-five", and thus it is an aban number.
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