Search a number
-
+
2065143950 = 2521515232
BaseRepresentation
bin111101100010111…
…1001100010001110
312022220221011220222
41323011321202032
513212134101300
6540531111342
7102114301562
oct17305714216
95286834828
102065143950
1196a7a1241
12497742552
1326bb0578c
141583b56a2
15c147e785
hex7b17988e

2065143950 has 36 divisors (see below), whose sum is σ = 3874013208. Its totient is φ = 819018000.

The previous prime is 2065143947. The next prime is 2065143961. The reversal of 2065143950 is 593415602.

It is a self number, because there is not a number n which added to its sum of digits gives 2065143950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3948389 + ... + 3948911.

It is an arithmetic number, because the mean of its divisors is an integer number (107611478).

Almost surely, 22065143950 is an apocalyptic number.

2065143950 is a deficient number, since it is larger than the sum of its proper divisors (1808869258).

2065143950 is an equidigital number, since it uses as much as digits as its factorization.

2065143950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 681 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2065143950 is about 45443.8549201099. The cubic root of 2065143950 is about 1273.4545313918.

The spelling of 2065143950 in words is "two billion, sixty-five million, one hundred forty-three thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 151 302 523 755 1046 1510 2615 3775 5230 7550 13075 26150 78973 157946 273529 394865 547058 789730 1367645 1974325 2735290 3948650 6838225 13676450 41302879 82605758 206514395 413028790 1032571975 2065143950