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13880486718 = 2327110162593
BaseRepresentation
bin11001110110101011…
…10110101100111110
31022211100120210011200
430323111312230332
5211411401033333
610213203000330
71000654122210
oct147325665476
938740523150
1013880486718
11598319a12a
1228346690a6
131402925667
149596865b0
155638c6c13
hex33b576b3e

13880486718 has 24 divisors (see below), whose sum is σ = 34370729328. Its totient is φ = 3965853312.

The previous prime is 13880486707. The next prime is 13880486749. The reversal of 13880486718 is 81768408831.

It is a happy number.

13880486718 is a `hidden beast` number, since 13 + 8 + 80 + 486 + 71 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55081171 + ... + 55081422.

It is an arithmetic number, because the mean of its divisors is an integer number (1432113722).

Almost surely, 213880486718 is an apocalyptic number.

13880486718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13880486718 is an abundant number, since it is smaller than the sum of its proper divisors (20490242610).

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

13880486718 is a wasteful number, since it uses less digits than its factorization.

13880486718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110162608 (or 110162605 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

It can be divided in two parts, 138804 and 86718, that added together give a palindrome (225522).

The spelling of 13880486718 in words is "thirteen billion, eight hundred eighty million, four hundred eighty-six thousand, seven hundred eighteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 110162593 220325186 330487779 660975558 771138151 991463337 1542276302 1982926674 2313414453 4626828906 6940243359 13880486718