Base | Representation |
---|---|
bin | 11110101011111110… |
… | …01010010001001001 |
3 | 1120112011122000120100 |
4 | 33111333022101021 |
5 | 232220100143100 |
6 | 11322444320013 |
7 | 1122160145352 |
oct | 172577122111 |
9 | 46464560510 |
10 | 16475006025 |
11 | 6a94790965 |
12 | 3239543009 |
13 | 17272c9a9a |
14 | b2409cd29 |
15 | 666573400 |
hex | 3d5fca449 |
16475006025 has 81 divisors (see below), whose sum is σ = 30363347079. Its totient is φ = 8539201440.
The previous prime is 16475006011. The next prime is 16475006059. The reversal of 16475006025 is 52060057461.
It is a happy number.
The square root of 16475006025 is 128355.
It is a perfect power (a square), and thus also a powerful number.
16475006025 is a `hidden beast` number, since 1 + 6 + 47 + 5 + 0 + 0 + 602 + 5 = 666.
It can be written as a sum of positive squares in only one way, i.e., 5931002169 + 10544003856 = 77013^2 + 102684^2 .
It is not a de Polignac number, because 16475006025 - 25 = 16475005993 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 82788876 + ... + 82789074.
Almost surely, 216475006025 is an apocalyptic number.
16475006025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
16475006025 is the 128355-th square number.
16475006025 is the 64178-th centered octagonal number.
It is an amenable number.
16475006025 is a deficient number, since it is larger than the sum of its proper divisors (13888341054).
16475006025 is an equidigital number, since it uses as much as digits as its factorization.
16475006025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500 (or 250 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
Multiplying 16475006025 by its sum of digits (36), we get a square (593100216900 = 7701302).
The spelling of 16475006025 in words is "sixteen billion, four hundred seventy-five million, six thousand, twenty-five".
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