Base | Representation |
---|---|
bin | 11110111001010101000… |
… | …100101101100111011001 |
3 | 21111222012100122001121012 |
4 | 132321111010231213121 |
5 | 234241143113034001 |
6 | 4303205123023305 |
7 | 306251262643544 |
oct | 36712504554731 |
9 | 7458170561535 |
10 | 2123141143001 |
11 | 74946790915a |
12 | 2a358b80ab35 |
13 | 125299450628 |
14 | 74a9105d85b |
15 | 3a363b072bb |
hex | 1ee5512d9d9 |
2123141143001 has 4 divisors (see below), whose sum is σ = 2124678538404. Its totient is φ = 2121603747600.
The previous prime is 2123141142989. The next prime is 2123141143003. The reversal of 2123141143001 is 1003411413212.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1008267015625 + 1114874127376 = 1004125^2 + 1055876^2 .
It is a cyclic number.
It is not a de Polignac number, because 2123141143001 - 230 = 2122067401177 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2123141143003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768695630 + ... + 768698391.
It is an arithmetic number, because the mean of its divisors is an integer number (531169634601).
Almost surely, 22123141143001 is an apocalyptic number.
It is an amenable number.
2123141143001 is a deficient number, since it is larger than the sum of its proper divisors (1537395403).
2123141143001 is a wasteful number, since it uses less digits than its factorization.
2123141143001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1537395402.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 2123141143001 its reverse (1003411413212), we get a palindrome (3126552556213).
The spelling of 2123141143001 in words is "two trillion, one hundred twenty-three billion, one hundred forty-one million, one hundred forty-three thousand, one".
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