Base | Representation |
---|---|
bin | 1111001011111… |
… | …11110101110011 |
3 | 22212201122202211 |
4 | 13211333311303 |
5 | 230103320311 |
6 | 20350352551 |
7 | 3104615311 |
oct | 745776563 |
9 | 285648684 |
10 | 127401331 |
11 | 65a07562 |
12 | 367bb757 |
13 | 20518a05 |
14 | 12cc50b1 |
15 | b2b8821 |
hex | 797fd73 |
127401331 has 2 divisors, whose sum is σ = 127401332. Its totient is φ = 127401330.
The previous prime is 127401319. The next prime is 127401343. The reversal of 127401331 is 133104721.
It is a balanced prime because it is at equal distance from previous prime (127401319) and next prime (127401343).
It is an emirp because it is prime and its reverse (133104721) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 127401331 - 217 = 127270259 is a prime.
It is a super-2 number, since 2×1274013312 = 32462198281143122, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (127401361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63700665 + 63700666.
It is an arithmetic number, because the mean of its divisors is an integer number (63700666).
Almost surely, 2127401331 is an apocalyptic number.
127401331 is a deficient number, since it is larger than the sum of its proper divisors (1).
127401331 is an equidigital number, since it uses as much as digits as its factorization.
127401331 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 127401331 is about 11287.2198082610. The cubic root of 127401331 is about 503.1814879981.
The spelling of 127401331 in words is "one hundred twenty-seven million, four hundred one thousand, three hundred thirty-one".
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