Base | Representation |
---|---|
bin | 100110111111000… |
… | …0101001110000101 |
3 | 10101011110101012201 |
4 | 1031332011032011 |
5 | 10134334314231 |
6 | 333445314501 |
7 | 44262556522 |
oct | 11576051605 |
9 | 3334411181 |
10 | 1308119941 |
11 | 611443967 |
12 | 306105a31 |
13 | 17b01bb8b |
14 | c5a36149 |
15 | 79c96161 |
hex | 4df85385 |
1308119941 has 4 divisors (see below), whose sum is σ = 1343474572. Its totient is φ = 1272765312.
The previous prime is 1308119881. The next prime is 1308119947. The reversal of 1308119941 is 1499118031.
It is the 14766-th star number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1499118031 = 19 ⋅78900949.
It can be written as a sum of positive squares in 2 ways, for example, as 1258120900 + 49999041 = 35470^2 + 7071^2 .
It is a cyclic number.
It is not a de Polignac number, because 1308119941 - 223 = 1299731333 is a prime.
It is a super-2 number, since 2×13081199412 = 3422355560083686962, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 35354593 = 1308119941 / (1 + 3 + 0 + 8 + 1 + 1 + 9 + 9 + 4 + 1).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1308119941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1308119947) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17677260 + ... + 17677333.
It is an arithmetic number, because the mean of its divisors is an integer number (335868643).
Almost surely, 21308119941 is an apocalyptic number.
It is an amenable number.
1308119941 is a deficient number, since it is larger than the sum of its proper divisors (35354631).
1308119941 is an equidigital number, since it uses as much as digits as its factorization.
1308119941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35354630.
The product of its (nonzero) digits is 7776, while the sum is 37.
The square root of 1308119941 is about 36167.9407901528. The cubic root of 1308119941 is about 1093.6604877994.
The spelling of 1308119941 in words is "one billion, three hundred eight million, one hundred nineteen thousand, nine hundred forty-one".
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