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13012418366 = 231051209533
BaseRepresentation
bin11000001111001100…
…11011111100111110
31020120212011100020222
430013212123330332
5203122134341431
65551113141342
7640313505533
oct140746337476
936525140228
1013012418366
115578197572
1226319ba852
1312c4b2c24c
148b627cd8a
155125a657b
hex30799bf3e

13012418366 has 8 divisors (see below), whose sum is σ = 19519349304. Its totient is φ = 6505968600.

The previous prime is 13012418311. The next prime is 13012418369. The reversal of 13012418366 is 66381421031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012418369) 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, 42665 + ... + 166868.

It is an arithmetic number, because the mean of its divisors is an integer number (2439918663).

Almost surely, 213012418366 is an apocalyptic number.

13012418366 is a deficient number, since it is larger than the sum of its proper divisors (6506930938).

13012418366 is a wasteful number, since it uses less digits than its factorization.

13012418366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240586.

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 13012418366 its reverse (66381421031), we get a palindrome (79393839397).

The spelling of 13012418366 in words is "thirteen billion, twelve million, four hundred eighteen thousand, three hundred sixty-six".

Divisors: 1 2 31051 62102 209533 419066 6506209183 13012418366