Base | Representation |
---|---|
bin | 1011110100001111011… |
… | …1001011111001010111 |
3 | 201101222120002020110212 |
4 | 2331003313023321113 |
5 | 11311222003044111 |
6 | 233131405240035 |
7 | 20444402361302 |
oct | 2750367137127 |
9 | 641876066425 |
10 | 203002003031 |
11 | 7910237a543 |
12 | 33414b6301b |
13 | 161b2255329 |
14 | 9b7aa89b39 |
15 | 5431cb198b |
hex | 2f43dcbe57 |
203002003031 has 8 divisors (see below), whose sum is σ = 213698094720. Its totient is φ = 192307088952.
The previous prime is 203002003027. The next prime is 203002003079. The reversal of 203002003031 is 130300200302.
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 203002003031 - 22 = 203002003027 is a prime.
It is a super-2 number, since 2×2030020030312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 203002002997 and 203002003015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203002053031) 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, 71096 + ... + 641138.
It is an arithmetic number, because the mean of its divisors is an integer number (26712261840).
Almost surely, 2203002003031 is an apocalyptic number.
203002003031 is a deficient number, since it is larger than the sum of its proper divisors (10696091689).
203002003031 is a wasteful number, since it uses less digits than its factorization.
203002003031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588805.
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 203002003031 its reverse (130300200302), we get a palindrome (333302203333).
The spelling of 203002003031 in words is "two hundred three billion, two million, three thousand, thirty-one".
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