Search a number
-
+
2871194942 = 2711109171047
BaseRepresentation
bin1010101100100010…
…1111010100111110
321102002122211000102
42223020233110332
521340011214232
61152523401102
7131102516510
oct25310572476
97362584012
102871194942
111243795290
12681683192
13369ac6925
141d3477bb0
1511c0ee662
hexab22f53e

2871194942 has 32 divisors (see below), whose sum is σ = 5418800640. Its totient is φ = 1108378080.

The previous prime is 2871194941. The next prime is 2871194947. The reversal of 2871194942 is 2494911782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871194941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68738 + ... + 102309.

It is an arithmetic number, because the mean of its divisors is an integer number (169337520).

Almost surely, 22871194942 is an apocalyptic number.

2871194942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2871194942 is a deficient number, since it is larger than the sum of its proper divisors (2547605698).

2871194942 is a wasteful number, since it uses less digits than its factorization.

2871194942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171176.

The product of its digits is 290304, while the sum is 47.

The square root of 2871194942 is about 53583.5323770279. The cubic root of 2871194942 is about 1421.3059040586.

The spelling of 2871194942 in words is "two billion, eight hundred seventy-one million, one hundred ninety-four thousand, nine hundred forty-two".

Divisors: 1 2 7 11 14 22 77 109 154 218 763 1199 1526 2398 8393 16786 171047 342094 1197329 1881517 2394658 3763034 13170619 18644123 26341238 37288246 130508861 205085353 261017722 410170706 1435597471 2871194942