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15414688144 = 2419291717383
BaseRepresentation
bin11100101101100100…
…10111100110010000
31110210021110021212201
432112302113212100
5223032130010034
611025330132544
71053663454522
oct162662274620
943707407781
1015414688144
1165a020a399
122ba2421154
1315b873105b
14a6332da12
1560342a014
hex396c97990

15414688144 has 40 divisors (see below), whose sum is σ = 31450437440. Its totient is φ = 7298771328.

The previous prime is 15414688109. The next prime is 15414688151. The reversal of 15414688144 is 44188641451.

15414688144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×154146881442 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15414688094 and 15414688103.

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, 878077 + ... + 895459.

It is an arithmetic number, because the mean of its divisors is an integer number (786260936).

Almost surely, 215414688144 is an apocalyptic number.

It is an amenable number.

15414688144 is an abundant number, since it is smaller than the sum of its proper divisors (16035749296).

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

15414688144 is a wasteful number, since it uses less digits than its factorization.

15414688144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20327 (or 20321 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The spelling of 15414688144 in words is "fifteen billion, four hundred fourteen million, six hundred eighty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 2917 5834 11668 17383 23336 34766 46672 55423 69532 110846 139064 221692 278128 330277 443384 660554 886768 1321108 2642216 5284432 50706211 101412422 202824844 405649688 811299376 963418009 1926836018 3853672036 7707344072 15414688144