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14678896840 = 2351721586613
BaseRepresentation
bin11011010101110111…
…00011000011001000
31101212222221012221221
431222323203003020
5220030244144330
610424323411424
71026520364416
oct155273430310
941788835857
1014678896840
116252944503
122a17b23b74
1314cc16c99a
149d371a2b6
155ada37b7a
hex36aee30c8

14678896840 has 32 divisors (see below), whose sum is σ = 34970314680. Its totient is φ = 5526172672.

The previous prime is 14678896811. The next prime is 14678896847. The reversal of 14678896840 is 4869887641.

14678896840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14669569924 + 9326916 = 121118^2 + 3054^2 .

It is not an unprimeable number, because it can be changed into a prime (14678896847) by changing a digit.

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, 10792627 + ... + 10793986.

Almost surely, 214678896840 is an apocalyptic number.

14678896840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14678896840 is an abundant number, since it is smaller than the sum of its proper divisors (20291417840).

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

14678896840 is a wasteful number, since it uses less digits than its factorization.

14678896840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21586641 (or 21586637 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 61.

The spelling of 14678896840 in words is "fourteen billion, six hundred seventy-eight million, eight hundred ninety-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 21586613 43173226 86346452 107933065 172692904 215866130 366972421 431732260 733944842 863464520 1467889684 1834862105 2935779368 3669724210 7339448420 14678896840