Base | Representation |
---|---|
bin | 1100000010001101… |
… | …1011001101110001 |
3 | 22100010210000100001 |
4 | 3000203123031301 |
5 | 23104002340420 |
6 | 1252321030001 |
7 | 143024620201 |
oct | 30043331561 |
9 | 8303700301 |
10 | 3230511985 |
11 | 14085a3518 |
12 | 761a85301 |
13 | 3c639286c |
14 | 22908c401 |
15 | 13d928b0a |
hex | c08db371 |
3230511985 has 16 divisors (see below), whose sum is σ = 4016336400. Its totient is φ = 2491530496.
The previous prime is 3230511983. The next prime is 3230512001. The reversal of 3230511985 is 5891150323.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 726410304 + 2504101681 = 26952^2 + 50041^2 .
It is a cyclic number.
It is not a de Polignac number, because 3230511985 - 21 = 3230511983 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3230511983) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81711 + ... + 114619.
It is an arithmetic number, because the mean of its divisors is an integer number (251021025).
Almost surely, 23230511985 is an apocalyptic number.
It is an amenable number.
3230511985 is a deficient number, since it is larger than the sum of its proper divisors (785824415).
3230511985 is a wasteful number, since it uses less digits than its factorization.
3230511985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33620.
The product of its (nonzero) digits is 32400, while the sum is 37.
The square root of 3230511985 is about 56837.5930612830. The cubic root of 3230511985 is about 1478.2814214270.
The spelling of 3230511985 in words is "three billion, two hundred thirty million, five hundred eleven thousand, nine hundred eighty-five".
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