Base | Representation |
---|---|
bin | 10111110110101… |
… | …01000011110011 |
3 | 111221112020112001 |
4 | 23323111003303 |
5 | 402211232011 |
6 | 31504514431 |
7 | 4646561065 |
oct | 1373250363 |
9 | 457466461 |
10 | 200102131 |
11 | a2a52769 |
12 | 5701ba17 |
13 | 325c1938 |
14 | 1c80b735 |
15 | 128797c1 |
hex | bed50f3 |
200102131 has 4 divisors (see below), whose sum is σ = 201220200. Its totient is φ = 198984064.
The previous prime is 200102113. The next prime is 200102153. The reversal of 200102131 is 131201002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 200102131 - 27 = 200102003 is a prime.
It is a super-2 number, since 2×2001021312 = 80081725661482322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (200102101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558766 + ... + 559123.
It is an arithmetic number, because the mean of its divisors is an integer number (50305050).
Almost surely, 2200102131 is an apocalyptic number.
200102131 is a deficient number, since it is larger than the sum of its proper divisors (1118069).
200102131 is a wasteful number, since it uses less digits than its factorization.
200102131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1118068.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 200102131 is about 14145.7460390041. The cubic root of 200102131 is about 584.9030749883.
Adding to 200102131 its reverse (131201002), we get a palindrome (331303133).
The spelling of 200102131 in words is "two hundred million, one hundred two thousand, one hundred thirty-one".
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