Search a number
-
+
11208727047 = 37661807487
BaseRepresentation
bin10100111000001011…
…11001101000000111
31001221011012022220210
422130011321220013
5140423413231142
65052121530503
7544522415340
oct123405715007
931834168823
1011208727047
114832041591
122209943a33
131098248c8b
147848c50c7
1545906e49c
hex29c179a07

11208727047 has 16 divisors (see below), whose sum is σ = 17105825792. Its totient is φ = 6395289120.

The previous prime is 11208727037. The next prime is 11208727063. The reversal of 11208727047 is 74072780211.

It is not a de Polignac number, because 11208727047 - 24 = 11208727031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11208726996 and 11208727014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11208727007) 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, 389863 + ... + 417624.

It is an arithmetic number, because the mean of its divisors is an integer number (1069114112).

Almost surely, 211208727047 is an apocalyptic number.

11208727047 is a deficient number, since it is larger than the sum of its proper divisors (5897098745).

11208727047 is an equidigital number, since it uses as much as digits as its factorization.

11208727047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808158.

The product of its (nonzero) digits is 43904, while the sum is 39.

The spelling of 11208727047 in words is "eleven billion, two hundred eight million, seven hundred twenty-seven thousand, forty-seven".

Divisors: 1 3 7 21 661 1983 4627 13881 807487 2422461 5652409 16957227 533748907 1601246721 3736242349 11208727047