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50190192397 is a prime number
BaseRepresentation
bin101110101111100100…
…011000111100001101
311210112211200221112201
4232233210120330031
51310242142124042
635020154001501
73424521411352
oct565744307415
9153484627481
1050190192397
111a316067454
129888716291
13496b2a1bc7
142601abc629
15148b4131b7
hexbaf918f0d

50190192397 has 2 divisors, whose sum is σ = 50190192398. Its totient is φ = 50190192396.

The previous prime is 50190192391. The next prime is 50190192407. The reversal of 50190192397 is 79329109105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48235579876 + 1954612521 = 219626^2 + 44211^2 .

It is a cyclic number.

It is not a de Polignac number, because 50190192397 - 215 = 50190159629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50190192391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25095096198 + 25095096199.

It is an arithmetic number, because the mean of its divisors is an integer number (25095096199).

Almost surely, 250190192397 is an apocalyptic number.

It is an amenable number.

50190192397 is a deficient number, since it is larger than the sum of its proper divisors (1).

50190192397 is an equidigital number, since it uses as much as digits as its factorization.

50190192397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 46.

The spelling of 50190192397 in words is "fifty billion, one hundred ninety million, one hundred ninety-two thousand, three hundred ninety-seven".