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13111045913168 = 247117062909939
BaseRepresentation
bin1011111011001010011100…
…1110111111101001010000
31201102101220022222101210022
42332302213032333221100
53204302410223210133
643515044211523012
72522145640316360
oct276624716775120
951371808871708
1013111045913168
1141a53aa682955
1215790128b9468
1374149ba79648
143348140a89a0
1517b0ad4ce998
hexbeca73bfa50

13111045913168 has 20 divisors (see below), whose sum is σ = 29031601665120. Its totient is φ = 5619019677024.

The previous prime is 13111045913167. The next prime is 13111045913237. The reversal of 13111045913168 is 86131954011131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111045913167) 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, 58531454858 + ... + 58531455081.

It is an arithmetic number, because the mean of its divisors is an integer number (1451580083256).

Almost surely, 213111045913168 is an apocalyptic number.

It is an amenable number.

13111045913168 is an abundant number, since it is smaller than the sum of its proper divisors (15920555751952).

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

13111045913168 is a wasteful number, since it uses less digits than its factorization.

13111045913168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117062909954 (or 117062909948 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

Adding to 13111045913168 its reverse (86131954011131), we get a palindrome (99242999924299).

The spelling of 13111045913168 in words is "thirteen trillion, one hundred eleven billion, forty-five million, nine hundred thirteen thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 117062909939 234125819878 468251639756 819440369573 936503279512 1638880739146 1873006559024 3277761478292 6555522956584 13111045913168