Base | Representation |
---|---|
bin | 111011100111011… |
… | …111111011010011 |
3 | 2120201001221100200 |
4 | 323213133323103 |
5 | 4022023211011 |
6 | 243125550243 |
7 | 33533434344 |
oct | 7347377323 |
9 | 2521057320 |
10 | 1000210131 |
11 | 473657748 |
12 | 23ab75383 |
13 | 12c2b1a1b |
14 | 96ba40cb |
15 | 5cc23856 |
hex | 3b9dfed3 |
1000210131 has 12 divisors (see below), whose sum is σ = 1507563408. Its totient is φ = 637815024.
The previous prime is 1000210097. The next prime is 1000210139. The reversal of 1000210131 is 1310120001.
It is not a de Polignac number, because 1000210131 - 218 = 999947987 is a prime.
It is a super-2 number, since 2×10002101312 = 2000840612310074322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (1000210139) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2415760 + ... + 2416173.
It is an arithmetic number, because the mean of its divisors is an integer number (125630284).
Almost surely, 21000210131 is an apocalyptic number.
1000210131 is a deficient number, since it is larger than the sum of its proper divisors (507353277).
1000210131 is a wasteful number, since it uses less digits than its factorization.
1000210131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4831962 (or 4831959 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 1000210131 is about 31626.0988899991. The cubic root of 1000210131 is about 1000.0700387611.
Adding to 1000210131 its reverse (1310120001), we get a palindrome (2310330132).
The spelling of 1000210131 in words is "one billion, two hundred ten thousand, one hundred thirty-one".
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