Base | Representation |
---|---|
bin | 1001001110110100… |
… | …0110010001101110 |
3 | 20101200221011000100 |
4 | 2103231012101232 |
5 | 20033341313232 |
6 | 1045521411530 |
7 | 115260162312 |
oct | 22355062156 |
9 | 6350834010 |
10 | 2478072942 |
11 | 1061897974 |
12 | 591a99ba6 |
13 | 306522b67 |
14 | 197183b42 |
15 | e7848c7c |
hex | 93b4646e |
2478072942 has 12 divisors (see below), whose sum is σ = 5369158080. Its totient is φ = 826024308.
The previous prime is 2478072941. The next prime is 2478072943. The reversal of 2478072942 is 2492708742.
2478072942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2478072941) and next prime (2478072943).
It is a super-2 number, since 2×24780729422 = 12281691011745070728, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2478072941) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68835342 + ... + 68835377.
It is an arithmetic number, because the mean of its divisors is an integer number (447429840).
Almost surely, 22478072942 is an apocalyptic number.
2478072942 is an abundant number, since it is smaller than the sum of its proper divisors (2891085138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2478072942 is a wasteful number, since it uses less digits than its factorization.
2478072942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137670727 (or 137670724 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 45.
The square root of 2478072942 is about 49780.2465040100. The cubic root of 2478072942 is about 1353.2292045524.
The spelling of 2478072942 in words is "two billion, four hundred seventy-eight million, seventy-two thousand, nine hundred forty-two".
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