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5387117819 is a prime number
BaseRepresentation
bin1010000010001100…
…01110010011111011
3111220102210221101012
411001012032103323
542013100232234
62250320344135
7250332513566
oct50106162373
914812727335
105387117819
112314984396
12106417504b
1367b10c7a5
143916714dd
15217e230ce
hex14118e4fb

5387117819 has 2 divisors, whose sum is σ = 5387117820. Its totient is φ = 5387117818.

The previous prime is 5387117767. The next prime is 5387117831. The reversal of 5387117819 is 9187117835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5387117819 - 224 = 5370340603 is a prime.

It is a super-2 number, since 2×53871178192 = 58042076791574633522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5387117839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693558909 + 2693558910.

It is an arithmetic number, because the mean of its divisors is an integer number (2693558910).

Almost surely, 25387117819 is an apocalyptic number.

5387117819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5387117819 is an equidigital number, since it uses as much as digits as its factorization.

5387117819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 50.

The square root of 5387117819 is about 73396.9878060401. The cubic root of 5387117819 is about 1753.0144311222.

The spelling of 5387117819 in words is "five billion, three hundred eighty-seven million, one hundred seventeen thousand, eight hundred nineteen".