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50778205401047 is a prime number
BaseRepresentation
bin10111000101110101110001…
…11001010010111111010111
320122210100102102220122220212
423202322320321102333113
523123422231040313142
6255555104023520035
713460414160245255
oct1342727071227727
9218710372818825
1050778205401047
11151a7a09189033
1258411a62b901b
132244497276147
14c7796d1b95d5
155d0cce897d82
hex2e2eb8e52fd7

50778205401047 has 2 divisors, whose sum is σ = 50778205401048. Its totient is φ = 50778205401046.

The previous prime is 50778205401031. The next prime is 50778205401061. The reversal of 50778205401047 is 74010450287705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50778205401047 - 24 = 50778205401031 is a prime.

It is a super-2 number, since 2×507782054010472 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50778205400986 and 50778205401004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50778205401067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25389102700523 + 25389102700524.

It is an arithmetic number, because the mean of its divisors is an integer number (25389102700524).

Almost surely, 250778205401047 is an apocalyptic number.

50778205401047 is a deficient number, since it is larger than the sum of its proper divisors (1).

50778205401047 is an equidigital number, since it uses as much as digits as its factorization.

50778205401047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2195200, while the sum is 50.

The spelling of 50778205401047 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred one thousand, forty-seven".