Search a number
-
+
1938250124971 is a prime number
BaseRepresentation
bin11100001101001000101…
…101011100111010101011
320212021221222120011221121
4130031020231130322223
5223224014012444341
64042230402520111
7260014434140626
oct34151055347253
96767858504847
101938250124971
11688009735816
12273790066037
13110a12417394
1469b51850dbd
1535641d234d1
hex1c348b5ceab

1938250124971 has 2 divisors, whose sum is σ = 1938250124972. Its totient is φ = 1938250124970.

The previous prime is 1938250124969. The next prime is 1938250125043. The reversal of 1938250124971 is 1794210528391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1938250124971 - 21 = 1938250124969 is a prime.

Together with 1938250124969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1938250127971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969125062485 + 969125062486.

It is an arithmetic number, because the mean of its divisors is an integer number (969125062486).

Almost surely, 21938250124971 is an apocalyptic number.

1938250124971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1938250124971 is an equidigital number, since it uses as much as digits as its factorization.

1938250124971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 1938250124971 in words is "one trillion, nine hundred thirty-eight billion, two hundred fifty million, one hundred twenty-four thousand, nine hundred seventy-one".