Base | Representation |
---|---|
bin | 11100001101001000101… |
… | …101011100111010101011 |
3 | 20212021221222120011221121 |
4 | 130031020231130322223 |
5 | 223224014012444341 |
6 | 4042230402520111 |
7 | 260014434140626 |
oct | 34151055347253 |
9 | 6767858504847 |
10 | 1938250124971 |
11 | 688009735816 |
12 | 273790066037 |
13 | 110a12417394 |
14 | 69b51850dbd |
15 | 35641d234d1 |
hex | 1c348b5ceab |
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".
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