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1378587360137 = 13106045181549
BaseRepresentation
bin10100000011111010001…
…101011011101110001001
311212210101010022222122012
4110003322031123232021
5140041321331011022
62533151515305305
7201412452134411
oct24037215335611
94783333288565
101378587360137
11491723697009
121a321a14b235
13a0000676480
144aa1c881641
1525cd83a3de2
hex140fa35bb89

1378587360137 has 4 divisors (see below), whose sum is σ = 1484632541700. Its totient is φ = 1272542178576.

The previous prime is 1378587360121. The next prime is 1378587360179. The reversal of 1378587360137 is 7310637858731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 951598299001 + 426989061136 = 975499^2 + 653444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1378587360137 - 24 = 1378587360121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378587360107) 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, 53022590762 + ... + 53022590787.

It is an arithmetic number, because the mean of its divisors is an integer number (371158135425).

Almost surely, 21378587360137 is an apocalyptic number.

It is an amenable number.

1378587360137 is a deficient number, since it is larger than the sum of its proper divisors (106045181563).

1378587360137 is a wasteful number, since it uses less digits than its factorization.

1378587360137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106045181562.

The product of its (nonzero) digits is 17781120, while the sum is 59.

The spelling of 1378587360137 in words is "one trillion, three hundred seventy-eight billion, five hundred eighty-seven million, three hundred sixty thousand, one hundred thirty-seven".

Divisors: 1 13 106045181549 1378587360137