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13012113230 = 2517917234219
BaseRepresentation
bin11000001111001010…
…10001011101001110
31020120211120211200122
430013211101131032
5203122100110410
65551102424542
7640311065114
oct140745213516
936524524618
1013012113230
115577aa9296
122631892152
1312c4a533ac
148b61ddab4
15512545e55
hex30795174e

13012113230 has 32 divisors (see below), whose sum is σ = 23571907200. Its totient is φ = 5171537952.

The previous prime is 13012113229. The next prime is 13012113239. The reversal of 13012113230 is 3231121031.

13012113230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13012113199 and 13012113208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012113239) 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 15 ways as a sum of consecutive naturals, for example, 3082061 + ... + 3086279.

It is an arithmetic number, because the mean of its divisors is an integer number (736622100).

Almost surely, 213012113230 is an apocalyptic number.

13012113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012113230 is a deficient number, since it is larger than the sum of its proper divisors (10559793970).

13012113230 is a wasteful number, since it uses less digits than its factorization.

13012113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13012113230 its reverse (3231121031), we get a palindrome (16243234261).

The spelling of 13012113230 in words is "thirteen billion, twelve million, one hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 179 358 895 1723 1790 3446 4219 8438 8615 17230 21095 42190 308417 616834 755201 1510402 1542085 3084170 3776005 7269337 7552010 14538674 36346685 72693370 1301211323 2602422646 6506056615 13012113230