Base | Representation |
---|---|
bin | 1010111101011111… |
… | …1001110100100110 |
3 | 21121001102020221110 |
4 | 2233113321310212 |
5 | 22011210411300 |
6 | 1203543125450 |
7 | 132624646512 |
oct | 25727716446 |
9 | 7531366843 |
10 | 2942278950 |
11 | 127a9267a6 |
12 | 6a1443886 |
13 | 37b754980 |
14 | 1dca9d142 |
15 | 123491550 |
hex | af5f9d26 |
2942278950 has 96 divisors (see below), whose sum is σ = 7896494592. Its totient is φ = 720720000.
The previous prime is 2942278949. The next prime is 2942279009. The reversal of 2942278950 is 598722492.
It is a super-2 number, since 2×29422789502 = 17314010839226205000, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 2942278950.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 407875 + ... + 415025.
It is an arithmetic number, because the mean of its divisors is an integer number (82255152).
Almost surely, 22942278950 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2942278950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3948247296).
2942278950 is an abundant number, since it is smaller than the sum of its proper divisors (4954215642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2942278950 is a wasteful number, since it uses less digits than its factorization.
2942278950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7390 (or 7385 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 48.
The square root of 2942278950 is about 54242.7778602829. Note that the first 3 decimals coincide. The cubic root of 2942278950 is about 1432.9398093400.
The spelling of 2942278950 in words is "two billion, nine hundred forty-two million, two hundred seventy-eight thousand, nine hundred fifty".
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