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13019125318 = 2191526322447
BaseRepresentation
bin11000010000000000…
…00001011001000110
31020121022210002110121
430020000001121012
5203130344002233
65551513012154
7640424511403
oct141000013106
936538702417
1013019125318
115580a58601
1226340b405a
1312c6339c64
148b71072aa
15512e7d92d
hex308001646

13019125318 has 16 divisors (see below), whose sum is σ = 20558776320. Its totient is φ = 6166275336.

The previous prime is 13019125313. The next prime is 13019125369. The reversal of 13019125318 is 81352191031.

It is a super-2 number, since 2×130191253182 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13019125313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568771 + ... + 591217.

It is an arithmetic number, because the mean of its divisors is an integer number (1284923520).

Almost surely, 213019125318 is an apocalyptic number.

13019125318 is a deficient number, since it is larger than the sum of its proper divisors (7539651002).

13019125318 is a wasteful number, since it uses less digits than its factorization.

13019125318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37731.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 13019125318 in words is "thirteen billion, nineteen million, one hundred twenty-five thousand, three hundred eighteen".

Divisors: 1 2 19 38 15263 22447 30526 44894 289997 426493 579994 852986 342608561 685217122 6509562659 13019125318