Base | Representation |
---|---|
bin | 1011111110000101… |
… | …1000111001111100 |
3 | 22021221012112011012 |
4 | 2333201120321330 |
5 | 23040034413040 |
6 | 1250502014352 |
7 | 142424521001 |
oct | 27741307174 |
9 | 8257175135 |
10 | 3213201020 |
11 | 13a984a537 |
12 | 7581173b8 |
13 | 3c29113a3 |
14 | 226a638a8 |
15 | 13c159865 |
hex | bf858e7c |
3213201020 has 12 divisors (see below), whose sum is σ = 6747722184. Its totient is φ = 1285280400.
The previous prime is 3213201007. The next prime is 3213201023. The reversal of 3213201020 is 201023123.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 3213200986 and 3213201004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3213201023) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 80330006 + ... + 80330045.
It is an arithmetic number, because the mean of its divisors is an integer number (562310182).
Almost surely, 23213201020 is an apocalyptic number.
It is an amenable number.
3213201020 is an abundant number, since it is smaller than the sum of its proper divisors (3534521164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3213201020 is a wasteful number, since it uses less digits than its factorization.
3213201020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160660060 (or 160660058 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 3213201020 is about 56685.1040397740. The cubic root of 3213201020 is about 1475.6361932410.
Adding to 3213201020 its reverse (201023123), we get a palindrome (3414224143).
The spelling of 3213201020 in words is "three billion, two hundred thirteen million, two hundred one thousand, twenty".
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