Search a number
-
+
2136843075 = 35219432811
BaseRepresentation
bin111111101011101…
…1010001101000011
312111220211212122010
41333113122031003
513334012434300
6552011544003
7103644603123
oct17727321503
95456755563
102136843075
119a7212914
124b775b003
1328091a7b3
14163b1ac83
15c78e3a50
hex7f5da343

2136843075 has 72 divisors (see below), whose sum is σ = 3812047680. Its totient is φ = 1053259200.

The previous prime is 2136843073. The next prime is 2136843077. The reversal of 2136843075 is 5703486312.

It is a Cunningham number, because it is equal to 462262-1.

It is an interprime number because it is at equal distance from previous prime (2136843073) and next prime (2136843077).

It is not a de Polignac number, because 2136843075 - 21 = 2136843073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2136843073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2634420 + ... + 2635230.

Almost surely, 22136843075 is an apocalyptic number.

2136843075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2136843075 is a deficient number, since it is larger than the sum of its proper divisors (1675204605).

2136843075 is a wasteful number, since it uses less digits than its factorization.

2136843075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2136843075 is about 46225.9999891836. Note that the first 4 decimals coincide. The cubic root of 2136843075 is about 1288.0247548304.

The spelling of 2136843075 in words is "two billion, one hundred thirty-six million, eight hundred forty-three thousand, seventy-five".

Divisors: 1 3 5 15 19 25 43 57 75 95 129 215 285 475 645 811 817 1075 1425 1849 2433 2451 3225 4055 4085 5547 9245 12165 12255 15409 20275 20425 27735 34873 35131 46225 46227 60825 61275 77045 104619 105393 138675 174365 175655 231135 385225 523095 526965 662587 871825 878275 1155675 1499539 1987761 2615475 2634825 3312935 4498617 7497695 9938805 16564675 22493085 28491241 37488475 49694025 85473723 112465425 142456205 427368615 712281025 2136843075