Base | Representation |
---|---|
bin | 1011110100100111100… |
… | …0111010101101001001 |
3 | 201102020121100112011020 |
4 | 2331021320322231021 |
5 | 11311423344321301 |
6 | 233145420423053 |
7 | 20450041015452 |
oct | 2751170725511 |
9 | 642217315136 |
10 | 203103120201 |
11 | 79154464353 |
12 | 334429a7a89 |
13 | 161ca19a487 |
14 | 9b8a28c129 |
15 | 543aad7436 |
hex | 2f49e3ab49 |
203103120201 has 16 divisors (see below), whose sum is σ = 286102713600. Its totient is φ = 127951486208.
The previous prime is 203103120193. The next prime is 203103120223. The reversal of 203103120201 is 102021301302.
It is a cyclic number.
It is not a de Polignac number, because 203103120201 - 23 = 203103120193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (203103120251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24831216 + ... + 24839393.
It is an arithmetic number, because the mean of its divisors is an integer number (17881419600).
Almost surely, 2203103120201 is an apocalyptic number.
It is an amenable number.
203103120201 is a deficient number, since it is larger than the sum of its proper divisors (82999593399).
203103120201 is a wasteful number, since it uses less digits than its factorization.
203103120201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49670688.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 203103120201 its reverse (102021301302), we get a palindrome (305124421503).
The spelling of 203103120201 in words is "two hundred three billion, one hundred three million, one hundred twenty thousand, two hundred one".
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