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28282557379 is a prime number
BaseRepresentation
bin11010010101110001…
…011001001111000011
32201000001121210000011
4122111301121033003
5430410313314004
620554241205351
72020603525336
oct322561311703
981001553004
1028282557379
1110aa3847a6a
125593930857
13288961c46b
14152430261d
15b07e7c004
hex695c593c3

28282557379 has 2 divisors, whose sum is σ = 28282557380. Its totient is φ = 28282557378.

The previous prime is 28282557353. The next prime is 28282557437. The reversal of 28282557379 is 97375528282.

It is an a-pointer prime, because the next prime (28282557437) can be obtained adding 28282557379 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28282557379 - 223 = 28274168771 is a prime.

It is not a weakly prime, because it can be changed into another prime (28282557319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14141278689 + 14141278690.

It is an arithmetic number, because the mean of its divisors is an integer number (14141278690).

Almost surely, 228282557379 is an apocalyptic number.

28282557379 is a deficient number, since it is larger than the sum of its proper divisors (1).

28282557379 is an equidigital number, since it uses as much as digits as its factorization.

28282557379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 58.

The spelling of 28282557379 in words is "twenty-eight billion, two hundred eighty-two million, five hundred fifty-seven thousand, three hundred seventy-nine".