Base | Representation |
---|---|
bin | 11001000010010… |
… | …00000000010011 |
3 | 112122011121202000 |
4 | 30201020000103 |
5 | 412230311011 |
6 | 32501125043 |
7 | 5130025302 |
oct | 1441100023 |
9 | 478147660 |
10 | 210010131 |
11 | a85aa7a1 |
12 | 5a3b9783 |
13 | 34680666 |
14 | 1dc6a439 |
15 | 13685356 |
hex | c848013 |
210010131 has 8 divisors (see below), whose sum is σ = 311126160. Its totient is φ = 140006736.
The previous prime is 210010117. The next prime is 210010153. The reversal of 210010131 is 131010012.
It is a de Polignac number, because none of the positive numbers 2k-210010131 is a prime.
It is a super-2 number, since 2×2100101312 = 88208510245274322, 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 (210010181) 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, 3889050 + ... + 3889103.
It is an arithmetic number, because the mean of its divisors is an integer number (38890770).
Almost surely, 2210010131 is an apocalyptic number.
210010131 is a deficient number, since it is larger than the sum of its proper divisors (101116029).
210010131 is an equidigital number, since it uses as much as digits as its factorization.
210010131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7778162 (or 7778156 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 210010131 is about 14491.7262946828. The cubic root of 210010131 is about 594.4017535152.
Adding to 210010131 its reverse (131010012), we get a palindrome (341020143).
The spelling of 210010131 in words is "two hundred ten million, ten thousand, one hundred thirty-one".
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