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13478896938 = 2313172806371
BaseRepresentation
bin11001000110110011…
…11010010100101010
31021210100220220120010
430203121322110222
5210101044200223
610105255312350
7655006506423
oct144331722452
937710826503
1013478896938
115797538851
12274207b6b6
13136a678580
1491c1ca64a
1553d4ec393
hex32367a52a

13478896938 has 16 divisors (see below), whose sum is σ = 29031470496. Its totient is φ = 4147352880.

The previous prime is 13478896901. The next prime is 13478896939. The reversal of 13478896938 is 83969887431.

13478896938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13478896939) 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, 86403108 + ... + 86403263.

It is an arithmetic number, because the mean of its divisors is an integer number (1814466906).

Almost surely, 213478896938 is an apocalyptic number.

13478896938 is an abundant number, since it is smaller than the sum of its proper divisors (15552573558).

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

13478896938 is a wasteful number, since it uses less digits than its factorization.

13478896938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172806389.

The product of its digits is 62705664, while the sum is 66.

The spelling of 13478896938 in words is "thirteen billion, four hundred seventy-eight million, eight hundred ninety-six thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 172806371 345612742 518419113 1036838226 2246482823 4492965646 6739448469 13478896938