Search a number
-
+
1163704061 = 1389515697
BaseRepresentation
bin100010101011100…
…1011011011111101
310000002201021212102
41011113023123331
54340402012221
6311250114445
740560215132
oct10527133375
93002637772
101163704061
115479760a3
1228587ba25
131571268b0
14b07a2589
156c26b30b
hex455cb6fd

1163704061 has 4 divisors (see below), whose sum is σ = 1253219772. Its totient is φ = 1074188352.

The previous prime is 1163704051. The next prime is 1163704063. The reversal of 1163704061 is 1604073611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 707240836 + 456463225 = 26594^2 + 21365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163704061 - 26 = 1163703997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163704063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44757836 + ... + 44757861.

It is an arithmetic number, because the mean of its divisors is an integer number (313304943).

Almost surely, 21163704061 is an apocalyptic number.

It is an amenable number.

1163704061 is a deficient number, since it is larger than the sum of its proper divisors (89515711).

1163704061 is an equidigital number, since it uses as much as digits as its factorization.

1163704061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89515710.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1163704061 is about 34113.1068799076. The cubic root of 1163704061 is about 1051.8347546187.

Adding to 1163704061 its reverse (1604073611), we get a palindrome (2767777672).

The spelling of 1163704061 in words is "one billion, one hundred sixty-three million, seven hundred four thousand, sixty-one".

Divisors: 1 13 89515697 1163704061