Base | Representation |
---|---|
bin | 1011111101110101… |
… | …0001000001000100 |
3 | 22021212011121110022 |
4 | 2333131101001010 |
5 | 23034300321012 |
6 | 1250422514312 |
7 | 142412366504 |
oct | 27735210104 |
9 | 8255147408 |
10 | 3212120132 |
11 | 13a9181441 |
12 | 757895998 |
13 | 3c2623400 |
14 | 226861a04 |
15 | 13bee4472 |
hex | bf751044 |
3212120132 has 18 divisors (see below), whose sum is σ = 6086873898. Its totient is φ = 1482516672.
The previous prime is 3212120117. The next prime is 3212120137. The reversal of 3212120132 is 2310212123.
It can be written as a sum of positive squares in 3 ways, for example, as 289204036 + 2922916096 = 17006^2 + 54064^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 3212120132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3212120137) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2375153 + ... + 2376504.
It is an arithmetic number, because the mean of its divisors is an integer number (338159661).
Almost surely, 23212120132 is an apocalyptic number.
It is an amenable number.
3212120132 is a deficient number, since it is larger than the sum of its proper divisors (2874753766).
3212120132 is a wasteful number, since it uses less digits than its factorization.
3212120132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4751687 (or 4751672 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 3212120132 is about 56675.5690928640. The cubic root of 3212120132 is about 1475.4707117036.
Adding to 3212120132 its reverse (2310212123), we get a palindrome (5522332255).
The spelling of 3212120132 in words is "three billion, two hundred twelve million, one hundred twenty thousand, one hundred thirty-two".
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