Base | Representation |
---|---|
bin | 11110100101110000010… |
… | …111100011011100011111 |
3 | 21102221221122121021112221 |
4 | 132211300113203130133 |
5 | 233420122300333211 |
6 | 4245411425410211 |
7 | 304605412066141 |
oct | 36456027433437 |
9 | 7387848537487 |
10 | 2102124230431 |
11 | 740562364725 |
12 | 29b4a5199967 |
13 | 1232ca1967a4 |
14 | 73a59aa6c91 |
15 | 39a33968c71 |
hex | 1e9705e371f |
2102124230431 has 8 divisors (see below), whose sum is σ = 2127542054400. Its totient is φ = 2076708573912.
The previous prime is 2102124230321. The next prime is 2102124230471. The reversal of 2102124230431 is 1340324212012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2102124230431 - 27 = 2102124230303 is a prime.
It is a super-2 number, since 2×21021242304312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2102124230396 and 2102124230405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102124230471) 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, 1453746 + ... + 2513488.
It is an arithmetic number, because the mean of its divisors is an integer number (265942756800).
Almost surely, 22102124230431 is an apocalyptic number.
2102124230431 is a deficient number, since it is larger than the sum of its proper divisors (25417823969).
2102124230431 is a wasteful number, since it uses less digits than its factorization.
2102124230431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1083725.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 2102124230431 its reverse (1340324212012), we get a palindrome (3442448442443).
The spelling of 2102124230431 in words is "two trillion, one hundred two billion, one hundred twenty-four million, two hundred thirty thousand, four hundred thirty-one".
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