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5686738381 is a prime number
BaseRepresentation
bin1010100101111010…
…01011110111001101
3112200022121020112001
411102331023313031
543121301112011
62340142312301
7260631323122
oct52275136715
915608536461
105686738381
112459019795
121128588691
136c820696c
143bd386749
152343a97c1
hex152f4bdcd

5686738381 has 2 divisors, whose sum is σ = 5686738382. Its totient is φ = 5686738380.

The previous prime is 5686738373. The next prime is 5686738411. The reversal of 5686738381 is 1838376865.

5686738381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3139921225 + 2546817156 = 56035^2 + 50466^2 .

It is a cyclic number.

It is not a de Polignac number, because 5686738381 - 23 = 5686738373 is a prime.

It is a super-2 number, since 2×56867383812 = 64677986827877002322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5686738331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2843369190 + 2843369191.

It is an arithmetic number, because the mean of its divisors is an integer number (2843369191).

Almost surely, 25686738381 is an apocalyptic number.

It is an amenable number.

5686738381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5686738381 is an equidigital number, since it uses as much as digits as its factorization.

5686738381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 55.

The square root of 5686738381 is about 75410.4659911341. The cubic root of 5686738381 is about 1784.9295644463.

The spelling of 5686738381 in words is "five billion, six hundred eighty-six million, seven hundred thirty-eight thousand, three hundred eighty-one".