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13020321102 = 2319566920147
BaseRepresentation
bin11000010000001001…
…00101010101001110
31020121102000211202220
430020010211111032
5203131200233402
65551554400210
7640440621555
oct141004452516
936542024686
1013020321102
1155816a4a58
122634590066
1312c6668319
148b7338d9c
15513117dbc
hex30812554e

13020321102 has 32 divisors (see below), whose sum is σ = 27417398400. Its totient is φ = 4110751008.

The previous prime is 13020321079. The next prime is 13020321103. The reversal of 13020321102 is 20112302031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020321103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636193 + ... + 656339.

It is an arithmetic number, because the mean of its divisors is an integer number (856793700).

Almost surely, 213020321102 is an apocalyptic number.

13020321102 is an abundant number, since it is smaller than the sum of its proper divisors (14397077298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13020321102 is a wasteful number, since it uses less digits than its factorization.

13020321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25840.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13020321102 its reverse (20112302031), we get a palindrome (33132623133).

The spelling of 13020321102 in words is "thirteen billion, twenty million, three hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 19 38 57 114 5669 11338 17007 20147 34014 40294 60441 107711 120882 215422 323133 382793 646266 765586 1148379 2296758 114213343 228426686 342640029 685280058 2170053517 4340107034 6510160551 13020321102