Base | Representation |
---|---|
bin | 100111001010000… |
… | …0001010011011101 |
3 | 10101120021120021110 |
4 | 1032110001103131 |
5 | 10142322333234 |
6 | 334212452233 |
7 | 44362501620 |
oct | 11624012335 |
9 | 3346246243 |
10 | 1313871069 |
11 | 614711865 |
12 | 30801a079 |
13 | 17c283804 |
14 | c66d1db7 |
15 | 7a5301e9 |
hex | 4e5014dd |
1313871069 has 16 divisors (see below), whose sum is σ = 2008148480. Its totient is φ = 748511280.
The previous prime is 1313871049. The next prime is 1313871077. The reversal of 1313871069 is 9601783131.
It is not a de Polignac number, because 1313871069 - 25 = 1313871037 is a prime.
It is a super-2 number, since 2×13138710692 = 3452514371910405522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1313871029) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87559 + ... + 101460.
It is an arithmetic number, because the mean of its divisors is an integer number (125509280).
Almost surely, 21313871069 is an apocalyptic number.
It is an amenable number.
1313871069 is a deficient number, since it is larger than the sum of its proper divisors (694277411).
1313871069 is a wasteful number, since it uses less digits than its factorization.
1313871069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189360.
The product of its (nonzero) digits is 27216, while the sum is 39.
The square root of 1313871069 is about 36247.3594762432. The cubic root of 1313871069 is about 1095.2608981963.
The spelling of 1313871069 in words is "one billion, three hundred thirteen million, eight hundred seventy-one thousand, sixty-nine".
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