Base | Representation |
---|---|
bin | 101100010011010001101101… |
… | …000000000111000010111011 |
3 | 221112212101210202110021000111 |
4 | 230103101231000013002323 |
5 | 201014214202120124042 |
6 | 1530215401421245151 |
7 | 56016430146121654 |
oct | 5423215500070273 |
9 | 845771722407014 |
10 | 194838725161147 |
11 | 57099703a11401 |
12 | 19a29072a037b7 |
13 | 849429cac26b2 |
14 | 361835d31652b |
15 | 177d308010517 |
hex | b1346d0070bb |
194838725161147 has 2 divisors, whose sum is σ = 194838725161148. Its totient is φ = 194838725161146.
The previous prime is 194838725161111. The next prime is 194838725161151. The reversal of 194838725161147 is 741161527838491.
It is a strong prime.
It is an emirp because it is prime and its reverse (741161527838491) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 194838725161147 - 27 = 194838725161019 is a prime.
It is a super-2 number, since 2×1948387251611472 (a number of 29 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (194838725561147) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97419362580573 + 97419362580574.
It is an arithmetic number, because the mean of its divisors is an integer number (97419362580574).
Almost surely, 2194838725161147 is an apocalyptic number.
194838725161147 is a deficient number, since it is larger than the sum of its proper divisors (1).
194838725161147 is an equidigital number, since it uses as much as digits as its factorization.
194838725161147 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 81285120, while the sum is 67.
The spelling of 194838725161147 in words is "one hundred ninety-four trillion, eight hundred thirty-eight billion, seven hundred twenty-five million, one hundred sixty-one thousand, one hundred forty-seven".
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