Base | Representation |
---|---|
bin | 1011111110001010… |
… | …0101100101110101 |
3 | 22021221210111000201 |
4 | 2333202211211311 |
5 | 23040124441000 |
6 | 1250512440501 |
7 | 142430266522 |
oct | 27742454565 |
9 | 8257714021 |
10 | 3213515125 |
11 | 13a9a44527 |
12 | 758249131 |
13 | 3c29c1352 |
14 | 226b06149 |
15 | 13c1bc96a |
hex | bf8a5975 |
3213515125 has 16 divisors (see below), whose sum is σ = 4221547200. Its totient is φ = 2435504400.
The previous prime is 3213515119. The next prime is 3213515141. The reversal of 3213515125 is 5215153123.
It is not a de Polignac number, because 3213515125 - 221 = 3211417973 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3213515093 and 3213515102.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 674155 + ... + 678904.
It is an arithmetic number, because the mean of its divisors is an integer number (263846700).
Almost surely, 23213515125 is an apocalyptic number.
It is an amenable number.
3213515125 is a deficient number, since it is larger than the sum of its proper divisors (1008032075).
3213515125 is a wasteful number, since it uses less digits than its factorization.
3213515125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1353093 (or 1353083 counting only the distinct ones).
The product of its digits is 4500, while the sum is 28.
The square root of 3213515125 is about 56687.8745853115. The cubic root of 3213515125 is about 1475.6842750553.
Adding to 3213515125 its reverse (5215153123), we get a palindrome (8428668248).
The spelling of 3213515125 in words is "three billion, two hundred thirteen million, five hundred fifteen thousand, one hundred twenty-five".
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