Base | Representation |
---|---|
bin | 111111011011100… |
… | …1000110111100110 |
3 | 12111022221002020010 |
4 | 1332313020313212 |
5 | 13324331232322 |
6 | 551110351050 |
7 | 103512650412 |
oct | 17667106746 |
9 | 5438832203 |
10 | 2128383462 |
11 | 9a2464aa7 |
12 | 4b495b486 |
13 | 27bc480ca |
14 | 162957d42 |
15 | c6cc220c |
hex | 7edc8de6 |
2128383462 has 16 divisors (see below), whose sum is σ = 4289262912. Its totient is φ = 704045160.
The previous prime is 2128383443. The next prime is 2128383463. The reversal of 2128383462 is 2643838212.
It is a super-2 number, since 2×21283834622 = 9060032322630210888, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2128383462.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2128383463) 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, 1353148 + ... + 1354719.
It is an arithmetic number, because the mean of its divisors is an integer number (268078932).
Almost surely, 22128383462 is an apocalyptic number.
2128383462 is an abundant number, since it is smaller than the sum of its proper divisors (2160879450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2128383462 is a wasteful number, since it uses less digits than its factorization.
2128383462 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2708003.
The product of its digits is 110592, while the sum is 39.
The square root of 2128383462 is about 46134.4064879998. The cubic root of 2128383462 is about 1286.3227733912.
The spelling of 2128383462 in words is "two billion, one hundred twenty-eight million, three hundred eighty-three thousand, four hundred sixty-two".
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