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11020312130 = 251102031213
BaseRepresentation
bin10100100001101110…
…01001111001000010
31001110000122212020112
422100313021321002
5140032144442010
65021311311322
7540044051612
oct122067117102
931400585215
1011020312130
114745751683
12217681b542
1310681b9b69
1476787aa42
15447752a05
hex290dc9e42

11020312130 has 8 divisors (see below), whose sum is σ = 19836561852. Its totient is φ = 4408124848.

The previous prime is 11020312103. The next prime is 11020312139. The reversal of 11020312130 is 3121302011.

It can be written as a sum of positive squares in 2 ways, for example, as 10457721169 + 562590961 = 102263^2 + 23719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11020312139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551015597 + ... + 551015616.

Almost surely, 211020312130 is an apocalyptic number.

11020312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11020312130 is a deficient number, since it is larger than the sum of its proper divisors (8816249722).

11020312130 is a wasteful number, since it uses less digits than its factorization.

11020312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102031220.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11020312130 its reverse (3121302011), we get a palindrome (14141614141).

The spelling of 11020312130 in words is "eleven billion, twenty million, three hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 1102031213 2204062426 5510156065 11020312130