Base | Representation |
---|---|
bin | 10111110110000… |
… | …11011110110011 |
3 | 111221101120202101 |
4 | 23323003132303 |
5 | 402201431011 |
6 | 31503201231 |
7 | 4646141140 |
oct | 1373033663 |
9 | 457346671 |
10 | 200030131 |
11 | a2a03664 |
12 | 56ba6217 |
13 | 32597c32 |
14 | 1c7cd3c7 |
15 | 128632c1 |
hex | bec37b3 |
200030131 has 8 divisors (see below), whose sum is σ = 229421664. Its totient is φ = 170842560.
The previous prime is 200030113. The next prime is 200030141. The reversal of 200030131 is 131030002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 200030131 - 25 = 200030099 is a prime.
It is a super-2 number, since 2×2000301312 = 80024106615754322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (200030101) 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, 48880 + ... + 52813.
It is an arithmetic number, because the mean of its divisors is an integer number (28677708).
Almost surely, 2200030131 is an apocalyptic number.
200030131 is a deficient number, since it is larger than the sum of its proper divisors (29391533).
200030131 is a wasteful number, since it uses less digits than its factorization.
200030131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101981.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 200030131 is about 14143.2008753323. The cubic root of 200030131 is about 584.8329140274.
Adding to 200030131 its reverse (131030002), we get a palindrome (331060133).
It can be divided in two parts, 2000 and 30131, that added together give a triangular number (32131 = T253).
The spelling of 200030131 in words is "two hundred million, thirty thousand, one hundred thirty-one".
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