Base | Representation |
---|---|
bin | 111111111000000… |
… | …0110000001101111 |
3 | 12112101000122010011 |
4 | 1333300012001233 |
5 | 13342142022111 |
6 | 552402354051 |
7 | 104053603645 |
oct | 17760060157 |
9 | 5471018104 |
10 | 2143314031 |
11 | 9aa932611 |
12 | 4b995b927 |
13 | 282074c71 |
14 | 164923195 |
15 | c8271021 |
hex | 7fc0606f |
2143314031 has 8 divisors (see below), whose sum is σ = 2171395584. Its totient is φ = 2115367200.
The previous prime is 2143314013. The next prime is 2143314067. The reversal of 2143314031 is 1304133412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2143314031 - 29 = 2143313519 is a prime.
It is a super-2 number, since 2×21433140312 = 9187590070962937922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2143313993 and 2143314011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143314001) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 1455 + ... + 65488.
It is an arithmetic number, because the mean of its divisors is an integer number (271424448).
Almost surely, 22143314031 is an apocalyptic number.
2143314031 is a deficient number, since it is larger than the sum of its proper divisors (28081553).
2143314031 is a wasteful number, since it uses less digits than its factorization.
2143314031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67361.
The product of its (nonzero) digits is 864, while the sum is 22.
The square root of 2143314031 is about 46295.9396815747. The cubic root of 2143314031 is about 1289.3236105150.
Adding to 2143314031 its reverse (1304133412), we get a palindrome (3447447443).
The spelling of 2143314031 in words is "two billion, one hundred forty-three million, three hundred fourteen thousand, thirty-one".
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