Base | Representation |
---|---|
bin | 1011111110001010… |
… | …1000000000100001 |
3 | 22021221210222121101 |
4 | 2333202220000201 |
5 | 23040130300100 |
6 | 1250512554401 |
7 | 142430340424 |
oct | 27742500041 |
9 | 8257728541 |
10 | 3213525025 |
11 | 13a9a50a07 |
12 | 758252a01 |
13 | 3c29c59c9 |
14 | 226b099bb |
15 | 13c1c086a |
hex | bf8a8021 |
3213525025 has 6 divisors (see below), whose sum is σ = 3984771062. Its totient is φ = 2570820000.
The previous prime is 3213525001. The next prime is 3213525037. The reversal of 3213525025 is 5205253123.
It can be written as a sum of positive squares in 3 ways, for example, as 1008189504 + 2205335521 = 31752^2 + 46961^2 .
It is not a de Polignac number, because 3213525025 - 221 = 3211427873 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3213524984 and 3213525002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64270476 + ... + 64270525.
Almost surely, 23213525025 is an apocalyptic number.
It is an amenable number.
3213525025 is a deficient number, since it is larger than the sum of its proper divisors (771246037).
3213525025 is a wasteful number, since it uses less digits than its factorization.
3213525025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128541011 (or 128541006 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 28.
The square root of 3213525025 is about 56687.9619055051. The cubic root of 3213525025 is about 1475.6857904529.
Adding to 3213525025 its reverse (5205253123), we get a palindrome (8418778148).
The spelling of 3213525025 in words is "three billion, two hundred thirteen million, five hundred twenty-five thousand, twenty-five".
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