Base | Representation |
---|---|
bin | 1100001110011011000… |
… | …1101011010000100011 |
3 | 202002010100220020212121 |
4 | 3003212301223100203 |
5 | 11420120213242011 |
6 | 240253032205111 |
7 | 21113513226655 |
oct | 3034661532043 |
9 | 662110806777 |
10 | 210030212131 |
11 | 81089641013 |
12 | 34856839797 |
13 | 16a6235703c |
14 | a24626a6d5 |
15 | 56e3cede71 |
hex | 30e6c6b423 |
210030212131 has 4 divisors (see below), whose sum is σ = 210033349000. Its totient is φ = 210027075264.
The previous prime is 210030212101. The next prime is 210030212159. The reversal of 210030212131 is 131212030012.
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 210030212131 - 229 = 209493341219 is a prime.
It is a super-2 number, since 2×2100302121312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (210030212101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465761 + ... + 1602658.
It is an arithmetic number, because the mean of its divisors is an integer number (52508337250).
Almost surely, 2210030212131 is an apocalyptic number.
210030212131 is a deficient number, since it is larger than the sum of its proper divisors (3136869).
210030212131 is an equidigital number, since it uses as much as digits as its factorization.
210030212131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3136868.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 210030212131 its reverse (131212030012), we get a palindrome (341242242143).
The spelling of 210030212131 in words is "two hundred ten billion, thirty million, two hundred twelve thousand, one hundred thirty-one".
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