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1102445012 = 221280921517
BaseRepresentation
bin100000110110101…
…1111100111010100
32211211110000020202
41001231133213110
54224211220022
6301221120032
736214425254
oct10155374724
92754400222
101102445012
11516335289
12269259018
13147528836
14a65b7964
1566bba592
hex41b5f9d4

1102445012 has 12 divisors (see below), whose sum is σ = 1929519060. Its totient is φ = 551153856.

The previous prime is 1102444991. The next prime is 1102445017. The reversal of 1102445012 is 2105442011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 368793616 + 733651396 = 19204^2 + 27086^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102445017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40478 + ... + 61994.

It is an arithmetic number, because the mean of its divisors is an integer number (160793255).

Almost surely, 21102445012 is an apocalyptic number.

It is an amenable number.

1102445012 is a deficient number, since it is larger than the sum of its proper divisors (827074048).

1102445012 is a wasteful number, since it uses less digits than its factorization.

1102445012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34330 (or 34328 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1102445012 is about 33203.0873865669. The cubic root of 1102445012 is about 1033.0443789588.

Adding to 1102445012 its reverse (2105442011), we get a palindrome (3207887023).

The spelling of 1102445012 in words is "one billion, one hundred two million, four hundred forty-five thousand, twelve".

Divisors: 1 2 4 12809 21517 25618 43034 51236 86068 275611253 551222506 1102445012