Base | Representation |
---|---|
bin | 1011111110000010… |
… | …1011000011011100 |
3 | 22021220211222112100 |
4 | 2333200223003130 |
5 | 23040012410322 |
6 | 1250454005100 |
7 | 142423106313 |
oct | 27740530334 |
9 | 8256758470 |
10 | 3213013212 |
11 | 13a9731422 |
12 | 758046790 |
13 | 3c2876a66 |
14 | 226a1527a |
15 | 13c11ddac |
hex | bf82b0dc |
3213013212 has 36 divisors (see below), whose sum is σ = 8202206376. Its totient is φ = 1060399200.
The previous prime is 3213013189. The next prime is 3213013231. The reversal of 3213013212 is 2123103123.
3213013212 is a `hidden beast` number, since 321 + 301 + 32 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438198 + ... + 445469.
It is an arithmetic number, because the mean of its divisors is an integer number (227839066).
Almost surely, 23213013212 is an apocalyptic number.
It is an amenable number.
3213013212 is an abundant number, since it is smaller than the sum of its proper divisors (4989193164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3213013212 is a wasteful number, since it uses less digits than its factorization.
3213013212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 883778 (or 883773 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 3213013212 is about 56683.4474251523. The cubic root of 3213013212 is about 1475.6074429201.
Adding to 3213013212 its reverse (2123103123), we get a palindrome (5336116335).
The spelling of 3213013212 in words is "three billion, two hundred thirteen million, thirteen thousand, two hundred twelve".
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