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3111115241 = 13739733797
BaseRepresentation
bin1011100101101111…
…1101100111101001
322000211010000210102
42321123331213221
522332421141431
61232413555145
7140045020553
oct27133754751
98024100712
103111115241
111357163a23
12729aa5ab5
133a771a3c0
1421728c4d3
151331e1dcb
hexb96fd9e9

3111115241 has 16 divisors (see below), whose sum is σ = 3431443344. Its totient is φ = 2803175424.

The previous prime is 3111115237. The next prime is 3111115247. The reversal of 3111115241 is 1425111113.

It can be written as a sum of positive squares in 8 ways, for example, as 173475241 + 2937640000 = 13171^2 + 54200^2 .

It is a cyclic number.

It is not a de Polignac number, because 3111115241 - 22 = 3111115237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111115247) 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, 75155 + ... + 108951.

It is an arithmetic number, because the mean of its divisors is an integer number (214465209).

Almost surely, 23111115241 is an apocalyptic number.

It is an amenable number.

3111115241 is a deficient number, since it is larger than the sum of its proper divisors (320328103).

3111115241 is a wasteful number, since it uses less digits than its factorization.

3111115241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33980.

The product of its digits is 120, while the sum is 20.

The square root of 3111115241 is about 55777.3721234696. The cubic root of 3111115241 is about 1459.8403592574.

Adding to 3111115241 its reverse (1425111113), we get a palindrome (4536226354).

The spelling of 3111115241 in words is "three billion, one hundred eleven million, one hundred fifteen thousand, two hundred forty-one".

Divisors: 1 13 73 97 949 1261 7081 33797 92053 439361 2467181 3278309 32073353 42618017 239316557 3111115241