Search a number
-
+
7827814142 = 219613376969
BaseRepresentation
bin1110100101001001…
…01111011011111110
3202012112102011022022
413102210233123332
5112012410023032
63332425120142
7364660215401
oct72244573376
922175364268
107827814142
113357662695
121625629052
13979976bb5
14543885d38
1530c337512
hex1d292f6fe

7827814142 has 16 divisors (see below), whose sum is σ = 12562328400. Its totient is φ = 3647125440.

The previous prime is 7827814097. The next prime is 7827814153. The reversal of 7827814142 is 2414187287.

It is a super-2 number, since 2×78278141422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7827814093 and 7827814102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686167 + ... + 1690802.

It is an arithmetic number, because the mean of its divisors is an integer number (785145525).

Almost surely, 27827814142 is an apocalyptic number.

7827814142 is a deficient number, since it is larger than the sum of its proper divisors (4734514258).

7827814142 is a wasteful number, since it uses less digits than its factorization.

7827814142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377051.

The product of its digits is 200704, while the sum is 44.

The square root of 7827814142 is about 88474.9351059383. The cubic root of 7827814142 is about 1985.5469852731.

The spelling of 7827814142 in words is "seven billion, eight hundred twenty-seven million, eight hundred fourteen thousand, one hundred forty-two".

Divisors: 1 2 19 38 61 122 1159 2318 3376969 6753938 64162411 128324822 205995109 411990218 3913907071 7827814142