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2018827117 is a prime number
BaseRepresentation
bin111100001010100…
…1101101101101101
312012200210001011201
41320111031231231
513113304431432
6532154245501
7101012514226
oct17025155555
95180701151
102018827117
1194663676a
12484126891
13262339978
1415219a24d
15bc380ee7
hex7854db6d

2018827117 has 2 divisors, whose sum is σ = 2018827118. Its totient is φ = 2018827116.

The previous prime is 2018827103. The next prime is 2018827127. The reversal of 2018827117 is 7117288102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1968785641 + 50041476 = 44371^2 + 7074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2018827117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2018827127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009413558 + 1009413559.

It is an arithmetic number, because the mean of its divisors is an integer number (1009413559).

Almost surely, 22018827117 is an apocalyptic number.

It is an amenable number.

2018827117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018827117 is an equidigital number, since it uses as much as digits as its factorization.

2018827117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 37.

The square root of 2018827117 is about 44931.3600617653. The cubic root of 2018827117 is about 1263.8621558692.

The spelling of 2018827117 in words is "two billion, eighteen million, eight hundred twenty-seven thousand, one hundred seventeen".