Search a number
-
+
6807111242 = 23403555621
BaseRepresentation
bin1100101011011110…
…00100011001001010
3122120101210002011012
412111233010121022
5102420110024432
63043244003522
7330454330241
oct62557043112
918511702135
106807111242
112983489478
12139b8305a2
1384636b699
144880a9958
1529c916cb2
hex195bc464a

6807111242 has 4 divisors (see below), whose sum is σ = 10210666866. Its totient is φ = 3403555620.

The previous prime is 6807111239. The next prime is 6807111251. The reversal of 6807111242 is 2421117086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2421117086 = 21210558543.

It can be written as a sum of positive squares in only one way, i.e., 5455151881 + 1351959361 = 73859^2 + 36769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6807111199 and 6807111208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701777809 + ... + 1701777812.

Almost surely, 26807111242 is an apocalyptic number.

6807111242 is a deficient number, since it is larger than the sum of its proper divisors (3403555624).

6807111242 is a wasteful number, since it uses less digits than its factorization.

6807111242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403555623.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 6807111242 is about 82505.2194833757. The cubic root of 6807111242 is about 1895.1966613173.

The spelling of 6807111242 in words is "six billion, eight hundred seven million, one hundred eleven thousand, two hundred forty-two".

Divisors: 1 2 3403555621 6807111242