Base | Representation |
---|---|
bin | 111111110110001… |
… | …1000011110100111 |
3 | 12112022012012102010 |
4 | 1333230120132213 |
5 | 13341414403111 |
6 | 552325445303 |
7 | 104042412135 |
oct | 17754303647 |
9 | 5468165363 |
10 | 2142341031 |
11 | 9aa328586 |
12 | 4b9570833 |
13 | 281ac411c |
14 | 16474c755 |
15 | c812caa6 |
hex | 7fb187a7 |
2142341031 has 4 divisors (see below), whose sum is σ = 2856454712. Its totient is φ = 1428227352.
The previous prime is 2142341027. The next prime is 2142341051. The reversal of 2142341031 is 1301432412.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2142341031 - 22 = 2142341027 is a prime.
It is a super-2 number, since 2×21423410312 = 9179250186212285922, 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 = 2142340989 and 2142341007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142341011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357056836 + ... + 357056841.
It is an arithmetic number, because the mean of its divisors is an integer number (714113678).
Almost surely, 22142341031 is an apocalyptic number.
2142341031 is a deficient number, since it is larger than the sum of its proper divisors (714113681).
2142341031 is an equidigital number, since it uses as much as digits as its factorization.
2142341031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 714113680.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 2142341031 is about 46285.4300077249. The cubic root of 2142341031 is about 1289.1284762914.
Adding to 2142341031 its reverse (1301432412), we get a palindrome (3443773443).
The spelling of 2142341031 in words is "two billion, one hundred forty-two million, three hundred forty-one thousand, thirty-one".
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