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50778201210157 is a prime number
BaseRepresentation
bin10111000101110101110001…
…01001010011110100101101
320122210100102011000202002201
423202322320221103310231
523123422224002211112
6255555103354021501
713460414106522031
oct1342727051236455
9218710364022081
1050778201210157
11151a7a06886393
1258411a4a17891
132244496439725
14c7796c8081c1
155d0cce31b257
hex2e2eb8a53d2d

50778201210157 has 2 divisors, whose sum is σ = 50778201210158. Its totient is φ = 50778201210156.

The previous prime is 50778201210151. The next prime is 50778201210161. The reversal of 50778201210157 is 75101210287705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47867939219556 + 2910261990601 = 6918666^2 + 1705949^2 .

It is a cyclic number.

It is not a de Polignac number, because 50778201210157 - 235 = 50743841471789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50778201210151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25389100605078 + 25389100605079.

It is an arithmetic number, because the mean of its divisors is an integer number (25389100605079).

Almost surely, 250778201210157 is an apocalyptic number.

It is an amenable number.

50778201210157 is a deficient number, since it is larger than the sum of its proper divisors (1).

50778201210157 is an equidigital number, since it uses as much as digits as its factorization.

50778201210157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 274400, while the sum is 46.

The spelling of 50778201210157 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred one million, two hundred ten thousand, one hundred fifty-seven".