Base | Representation |
---|---|
bin | 100110111100101… |
… | …0101001101110101 |
3 | 10101002010010010012 |
4 | 1031321111031311 |
5 | 10134024442431 |
6 | 333402510005 |
7 | 44246152304 |
oct | 11571251565 |
9 | 3332103105 |
10 | 1306874741 |
11 | 610773377 |
12 | 305805305 |
13 | 17a9a4183 |
14 | c57d043b |
15 | 79aec22b |
hex | 4de55375 |
1306874741 has 4 divisors (see below), whose sum is σ = 1306968684. Its totient is φ = 1306780800.
The previous prime is 1306874729. The next prime is 1306874753. The reversal of 1306874741 is 1474786031.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1474786031 = 41 ⋅35970391.
It is an interprime number because it is at equal distance from previous prime (1306874729) and next prime (1306874753).
It can be written as a sum of positive squares in 2 ways, for example, as 733272241 + 573602500 = 27079^2 + 23950^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1306874741 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1306874761) 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, 21500 + ... + 55461.
It is an arithmetic number, because the mean of its divisors is an integer number (326742171).
Almost surely, 21306874741 is an apocalyptic number.
It is an amenable number.
1306874741 is a deficient number, since it is larger than the sum of its proper divisors (93943).
1306874741 is an equidigital number, since it uses as much as digits as its factorization.
1306874741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93942.
The product of its (nonzero) digits is 112896, while the sum is 41.
The square root of 1306874741 is about 36150.7225515618. The cubic root of 1306874741 is about 1093.3133589843.
The spelling of 1306874741 in words is "one billion, three hundred six million, eight hundred seventy-four thousand, seven hundred forty-one".
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