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2942278950 = 2352132117151
BaseRepresentation
bin1010111101011111…
…1001110100100110
321121001102020221110
42233113321310212
522011210411300
61203543125450
7132624646512
oct25727716446
97531366843
102942278950
11127a9267a6
126a1443886
1337b754980
141dca9d142
15123491550
hexaf5f9d26

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".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 211 325 390 422 633 650 975 1055 1266 1950 2110 2743 3165 5275 5486 6330 7151 8229 10550 13715 14302 15825 16458 21453 27430 31650 35755 41145 42906 68575 71510 82290 92963 107265 137150 178775 185926 205725 214530 278889 357550 411450 464815 536325 557778 929630 1072650 1394445 1508861 2324075 2788890 3017722 4526583 4648150 6972225 7544305 9053166 13944450 15088610 19615193 22632915 37721525 39230386 45265830 58845579 75443050 98075965 113164575 117691158 196151930 226329150 294227895 490379825 588455790 980759650 1471139475 2942278950