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13111020130 = 2513100854001
BaseRepresentation
bin11000011010111101…
…00100101001100010
31020211201200211110011
430031132210221202
5203322410121010
610004554355134
7642621555325
oct141536445142
936751624404
1013111020130
11561891352a
12265aa2baaa
13130c3a34a0
148c53c87bc
1551b081a8a
hex30d7a4a62

13111020130 has 16 divisors (see below), whose sum is σ = 25415208504. Its totient is φ = 4840992000.

The previous prime is 13111020121. The next prime is 13111020163. The reversal of 13111020130 is 3102011131.

It can be written as a sum of positive squares in 4 ways, for example, as 3386890809 + 9724129321 = 58197^2 + 98611^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 13111020130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50426871 + ... + 50427130.

Almost surely, 213111020130 is an apocalyptic number.

13111020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111020130 is a deficient number, since it is larger than the sum of its proper divisors (12304188374).

13111020130 is a wasteful number, since it uses less digits than its factorization.

13111020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100854021.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13111020130 its reverse (3102011131), we get a palindrome (16213031261).

The spelling of 13111020130 in words is "thirteen billion, one hundred eleven million, twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 100854001 201708002 504270005 1008540010 1311102013 2622204026 6555510065 13111020130