Base | Representation |
---|---|
bin | 111111001011101… |
… | …0001101110011100 |
3 | 12110202012201222120 |
4 | 1332113101232130 |
5 | 13320211444012 |
6 | 550211342540 |
7 | 103351652532 |
oct | 17627215634 |
9 | 5422181876 |
10 | 2120031132 |
11 | 99877a84a |
12 | 4b1bb1a50 |
13 | 27a2b24bb |
14 | 1617c2152 |
15 | c61c258c |
hex | 7e5d1b9c |
2120031132 has 12 divisors (see below), whose sum is σ = 4946739336. Its totient is φ = 706677040.
The previous prime is 2120031101. The next prime is 2120031139. The reversal of 2120031132 is 2311300212.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120031139) 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, 88334619 + ... + 88334642.
It is an arithmetic number, because the mean of its divisors is an integer number (412228278).
Almost surely, 22120031132 is an apocalyptic number.
It is an amenable number.
2120031132 is an abundant number, since it is smaller than the sum of its proper divisors (2826708204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120031132 is a wasteful number, since it uses less digits than its factorization.
2120031132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176669268 (or 176669266 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2120031132 is about 46043.7958035608. The cubic root of 2120031132 is about 1284.6379459133.
Adding to 2120031132 its reverse (2311300212), we get a palindrome (4431331344).
The spelling of 2120031132 in words is "two billion, one hundred twenty million, thirty-one thousand, one hundred thirty-two".
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