Search a number
-
+
1111111041 = 31797224603
BaseRepresentation
bin100001000111010…
…0011010110000001
32212102202021210210
41002032203112001
54233421023131
6302130544333
736351200535
oct10216432601
92772667723
101111111041
11520214197
122701380a9
13149271171
14a77d1bc5
156782d146
hex423a3581

1111111041 has 16 divisors (see below), whose sum is σ = 1584805824. Its totient is φ = 689977344.

The previous prime is 1111111037. The next prime is 1111111081. The reversal of 1111111041 is 1401111111.

It is not a de Polignac number, because 1111111041 - 22 = 1111111037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111111031) 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, 107355 + ... + 117248.

It is an arithmetic number, because the mean of its divisors is an integer number (99050364).

Almost surely, 21111111041 is an apocalyptic number.

It is an amenable number.

1111111041 is a deficient number, since it is larger than the sum of its proper divisors (473694783).

1111111041 is a wasteful number, since it uses less digits than its factorization.

1111111041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224720.

The product of its (nonzero) digits is 4, while the sum is 12.

The square root of 1111111041 is about 33333.3322816667. The cubic root of 1111111041 is about 1035.7441468661.

Adding to 1111111041 its reverse (1401111111), we get a palindrome (2512222152).

The spelling of 1111111041 in words is "one billion, one hundred eleven million, one hundred eleven thousand, forty-one".

Divisors: 1 3 17 51 97 291 1649 4947 224603 673809 3818251 11454753 21786491 65359473 370370347 1111111041