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11130231101 = 112552116661
BaseRepresentation
bin10100101110110100…
…11101100100111101
31001201200111022201112
422113122131210331
5140243314343401
65040235251405
7542550255233
oct122732354475
931650438645
1011130231101
1147a17a8400
1221a75a9b65
131084bc4382
147782d0953
154522163bb
hex29769d93d

11130231101 has 12 divisors (see below), whose sum is σ = 12237006012. Its totient is φ = 10115952000.

The previous prime is 11130231089. The next prime is 11130231107. The reversal of 11130231101 is 10113203111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4262131225 + 6868099876 = 65285^2 + 82874^2 .

It is not a de Polignac number, because 11130231101 - 26 = 11130231037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130231107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 659711 + ... + 676371.

It is an arithmetic number, because the mean of its divisors is an integer number (1019750501).

Almost surely, 211130231101 is an apocalyptic number.

11130231101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11130231101 is a deficient number, since it is larger than the sum of its proper divisors (1106774911).

11130231101 is a wasteful number, since it uses less digits than its factorization.

11130231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22204 (or 22193 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11130231101 its reverse (10113203111), we get a palindrome (21243434212).

The spelling of 11130231101 in words is "eleven billion, one hundred thirty million, two hundred thirty-one thousand, one hundred one".

Divisors: 1 11 121 5521 16661 60731 183271 668041 2015981 91985381 1011839191 11130231101