Base | Representation |
---|---|
bin | 10010111101010… |
… | …011101101000011 |
3 | 211011111012012002 |
4 | 102331103231003 |
5 | 1122410431004 |
6 | 51321054215 |
7 | 10611322436 |
oct | 2275235503 |
9 | 734435162 |
10 | 318061379 |
11 | 1535a0249 |
12 | 8a62736b |
13 | 50b829cc |
14 | 3035581d |
15 | 1cdca61e |
hex | 12f53b43 |
318061379 has 2 divisors, whose sum is σ = 318061380. Its totient is φ = 318061378.
The previous prime is 318061369. The next prime is 318061391. The reversal of 318061379 is 973160813.
It is a weak prime.
It is an emirp because it is prime and its reverse (973160813) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 318061379 - 24 = 318061363 is a prime.
It is a super-2 number, since 2×3180613792 = 202326081622763282, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (318061309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159030689 + 159030690.
It is an arithmetic number, because the mean of its divisors is an integer number (159030690).
Almost surely, 2318061379 is an apocalyptic number.
318061379 is a deficient number, since it is larger than the sum of its proper divisors (1).
318061379 is an equidigital number, since it uses as much as digits as its factorization.
318061379 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 318061379 is about 17834.2753987932. The cubic root of 318061379 is about 682.6063319236.
The spelling of 318061379 in words is "three hundred eighteen million, sixty-one thousand, three hundred seventy-nine".
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