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13018014028 = 22101173186259
BaseRepresentation
bin11000001111110111…
…10010000101001100
31020121020200122001201
430013323302011030
5203130102422103
65551433115244
7640412202445
oct140773620514
936536618051
1013018014028
115580369688
122633858b24
1312c603b1a6
148b6cd82cc
15512d0e51d
hex307ef214c

13018014028 has 24 divisors (see below), whose sum is σ = 23140197360. Its totient is φ = 6407275200.

The previous prime is 13018014001. The next prime is 13018014041. The reversal of 13018014028 is 82041081031.

13018014028 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 = 13018013987 and 13018014005.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23238 + ... + 163021.

It is an arithmetic number, because the mean of its divisors is an integer number (964174890).

Almost surely, 213018014028 is an apocalyptic number.

It is an amenable number.

13018014028 is a deficient number, since it is larger than the sum of its proper divisors (10122183332).

13018014028 is a wasteful number, since it uses less digits than its factorization.

13018014028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186537 (or 186535 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 13018014028 its reverse (82041081031), we get a palindrome (95059095059).

The spelling of 13018014028 in words is "thirteen billion, eighteen million, fourteen thousand, twenty-eight".

Divisors: 1 2 4 101 173 202 346 404 692 17473 34946 69892 186259 372518 745036 18812159 32222807 37624318 64445614 75248636 128891228 3254503507 6509007014 13018014028