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8214710687 is a prime number
BaseRepresentation
bin1111010011010001…
…01000100110011111
3210012111102112120222
413221220220212133
5113310431220222
63435045431555
7410365613561
oct75150504637
923174375528
108214710687
113535a987a7
12171310b5bb
13a0bb7b171
1457cdd9331
153312ad542
hex1e9a2899f

8214710687 has 2 divisors, whose sum is σ = 8214710688. Its totient is φ = 8214710686.

The previous prime is 8214710639. The next prime is 8214710689. The reversal of 8214710687 is 7860174128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8214710687 - 210 = 8214709663 is a prime.

It is a super-2 number, since 2×82147106872 (a number of 21 digits) contains 22 as substring.

Together with 8214710689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8214710689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107355343 + 4107355344.

It is an arithmetic number, because the mean of its divisors is an integer number (4107355344).

Almost surely, 28214710687 is an apocalyptic number.

8214710687 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214710687 is an equidigital number, since it uses as much as digits as its factorization.

8214710687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 8214710687 is about 90635.0411651035. The cubic root of 8214710687 is about 2017.7348303108.

The spelling of 8214710687 in words is "eight billion, two hundred fourteen million, seven hundred ten thousand, six hundred eighty-seven".