Search a number
-
+
1812241342 = 21138018767
BaseRepresentation
bin110110000000100…
…1001101110111110
311200022001101202201
41230001021232332
512202413210332
6455454342114
762623540312
oct15401115676
94608041681
101812241342
1184aa6581a
12426aba93a
1322b5b7b72
14132981b42
15a91755e7
hex6c049bbe

1812241342 has 8 divisors (see below), whose sum is σ = 2742418656. Its totient is φ = 898101792.

The previous prime is 1812241309. The next prime is 1812241357. The reversal of 1812241342 is 2431422181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1812241342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009158 + ... + 4009609.

It is an arithmetic number, because the mean of its divisors is an integer number (342802332).

Almost surely, 21812241342 is an apocalyptic number.

1812241342 is a deficient number, since it is larger than the sum of its proper divisors (930177314).

1812241342 is a wasteful number, since it uses less digits than its factorization.

1812241342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018882.

The product of its digits is 3072, while the sum is 28.

The square root of 1812241342 is about 42570.4280222786. The cubic root of 1812241342 is about 1219.1917386679.

The spelling of 1812241342 in words is "one billion, eight hundred twelve million, two hundred forty-one thousand, three hundred forty-two".

Divisors: 1 2 113 226 8018767 16037534 906120671 1812241342