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42882078157 is a prime number
BaseRepresentation
bin100111111011111110…
…001001010111001101
311002200112012021110221
4213323332021113031
51200310303000112
631411051431341
73045441436012
oct477376112715
9132615167427
1042882078157
11172058a7016
128389155551
1340751b9a59
14210b279709
1511aea35e07
hex9fbf895cd

42882078157 has 2 divisors, whose sum is σ = 42882078158. Its totient is φ = 42882078156.

The previous prime is 42882078103. The next prime is 42882078181. The reversal of 42882078157 is 75187028824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39515873796 + 3366204361 = 198786^2 + 58019^2 .

It is a cyclic number.

It is not a de Polignac number, because 42882078157 - 215 = 42882045389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42882079157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21441039078 + 21441039079.

It is an arithmetic number, because the mean of its divisors is an integer number (21441039079).

Almost surely, 242882078157 is an apocalyptic number.

It is an amenable number.

42882078157 is a deficient number, since it is larger than the sum of its proper divisors (1).

42882078157 is an equidigital number, since it uses as much as digits as its factorization.

42882078157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The spelling of 42882078157 in words is "forty-two billion, eight hundred eighty-two million, seventy-eight thousand, one hundred fifty-seven".