Base | Representation |
---|---|
bin | 11100100001011101… |
… | …10000101101111001 |
3 | 1110112012021000120001 |
4 | 32100232300231321 |
5 | 222330122013121 |
6 | 11011300233001 |
7 | 1051321011442 |
oct | 162056605571 |
9 | 43465230501 |
10 | 15313079161 |
11 | 654891a026 |
12 | 2b7439b761 |
13 | 15a06760b3 |
14 | a53a402c9 |
15 | 5e9558991 |
hex | 390bb0b79 |
15313079161 has 2 divisors, whose sum is σ = 15313079162. Its totient is φ = 15313079160.
The previous prime is 15313079101. The next prime is 15313079189. The reversal of 15313079161 is 16197031351.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9011894761 + 6301184400 = 94931^2 + 79380^2 .
It is an emirp because it is prime and its reverse (16197031351) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15313079161 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 15313079161.
It is not a weakly prime, because it can be changed into another prime (15313079101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7656539580 + 7656539581.
It is an arithmetic number, because the mean of its divisors is an integer number (7656539581).
Almost surely, 215313079161 is an apocalyptic number.
It is an amenable number.
15313079161 is a deficient number, since it is larger than the sum of its proper divisors (1).
15313079161 is an equidigital number, since it uses as much as digits as its factorization.
15313079161 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17010, while the sum is 37.
The spelling of 15313079161 in words is "fifteen billion, three hundred thirteen million, seventy-nine thousand, one hundred sixty-one".
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