Base | Representation |
---|---|
bin | 11111001101110011010… |
… | …111100010001111010101 |
3 | 21121001221101200120221022 |
4 | 133031303113202033111 |
5 | 240121203300330401 |
6 | 4321242332530525 |
7 | 310660115051516 |
oct | 37156327421725 |
9 | 7531841616838 |
10 | 2145124230101 |
11 | 757818782936 |
12 | 2a78a5920a45 |
13 | 127390930388 |
14 | 75b7887aa0d |
15 | 3abed9e471b |
hex | 1f3735e23d5 |
2145124230101 has 8 divisors (see below), whose sum is σ = 2149779350400. Its totient is φ = 2140473701520.
The previous prime is 2145124230061. The next prime is 2145124230127. The reversal of 2145124230101 is 1010324215412.
It is a happy number.
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 2145124230101 - 222 = 2145120035797 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2145124230191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211745 + ... + 2082086.
It is an arithmetic number, because the mean of its divisors is an integer number (268722418800).
Almost surely, 22145124230101 is an apocalyptic number.
It is an amenable number.
2145124230101 is a deficient number, since it is larger than the sum of its proper divisors (4655120299).
2145124230101 is a wasteful number, since it uses less digits than its factorization.
2145124230101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2295859.
The product of its (nonzero) digits is 1920, while the sum is 26.
Adding to 2145124230101 its reverse (1010324215412), we get a palindrome (3155448445513).
The spelling of 2145124230101 in words is "two trillion, one hundred forty-five billion, one hundred twenty-four million, two hundred thirty thousand, one hundred one".
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