Base | Representation |
---|---|
bin | 111110101000001… |
… | …0010111110011111 |
3 | 12102110012101211200 |
4 | 1331100102332133 |
5 | 13300431032111 |
6 | 544304450543 |
7 | 103034544450 |
oct | 17520227637 |
9 | 5373171750 |
10 | 2101424031 |
11 | 989220a83 |
12 | 4a7919a53 |
13 | 276499095 |
14 | 15d13b127 |
15 | c4749256 |
hex | 7d412f9f |
2101424031 has 12 divisors (see below), whose sum is σ = 3469017552. Its totient is φ = 1200813696.
The previous prime is 2101424029. The next prime is 2101424047. The reversal of 2101424031 is 1304241012.
2101424031 is a `hidden beast` number, since 210 + 1 + 424 + 0 + 31 = 666.
It is not a de Polignac number, because 2101424031 - 21 = 2101424029 is a prime.
It is a super-2 number, since 2×21014240312 = 8831965916128577922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2101423995 and 2101424013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101424081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16677906 + ... + 16678031.
It is an arithmetic number, because the mean of its divisors is an integer number (289084796).
Almost surely, 22101424031 is an apocalyptic number.
2101424031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2101424031 is a deficient number, since it is larger than the sum of its proper divisors (1367593521).
2101424031 is a wasteful number, since it uses less digits than its factorization.
2101424031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33355950 (or 33355947 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 2101424031 is about 45841.2917684482. The cubic root of 2101424031 is about 1280.8685574299.
Adding to 2101424031 its reverse (1304241012), we get a palindrome (3405665043).
It can be divided in two parts, 210 and 1424031, that added together give a palindrome (1424241).
The spelling of 2101424031 in words is "two billion, one hundred one million, four hundred twenty-four thousand, thirty-one".
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