Search a number
-
+
1080406811 = 11271362431
BaseRepresentation
bin100000001100101…
…1011001100011011
32210021222100112002
41000121123030123
54203041004221
6255112511215
735526210041
oct10031331433
92707870462
101080406811
115049526a0
122619ab50b
13142ab0793
14a36bc391
1564cb580b
hex4065b31b

1080406811 has 8 divisors (see below), whose sum is σ = 1182978048. Its totient is φ = 978561000.

The previous prime is 1080406799. The next prime is 1080406819. The reversal of 1080406811 is 1186040801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1080406811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080406819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178235 + ... + 184196.

It is an arithmetic number, because the mean of its divisors is an integer number (147872256).

Almost surely, 21080406811 is an apocalyptic number.

1080406811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1080406811 is a deficient number, since it is larger than the sum of its proper divisors (102571237).

1080406811 is a wasteful number, since it uses less digits than its factorization.

1080406811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362713.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1080406811 is about 32869.5422998252. The cubic root of 1080406811 is about 1026.1143735060.

The spelling of 1080406811 in words is "one billion, eighty million, four hundred six thousand, eight hundred eleven".

Divisors: 1 11 271 2981 362431 3986741 98218801 1080406811