Base | Representation |
---|---|
bin | 11100000010101111… |
… | …11000111001010101 |
3 | 1102212020102211122101 |
4 | 32001113320321111 |
5 | 221313142100414 |
6 | 10525534002101 |
7 | 1042042000444 |
oct | 160127707125 |
9 | 42766384571 |
10 | 15055425109 |
11 | 642643879a |
12 | 2b02046331 |
13 | 155c18388a |
14 | a2b730d5b |
15 | 5d1b11a74 |
hex | 3815f8e55 |
15055425109 has 2 divisors, whose sum is σ = 15055425110. Its totient is φ = 15055425108.
The previous prime is 15055425059. The next prime is 15055425113. The reversal of 15055425109 is 90152455051.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11038654225 + 4016770884 = 105065^2 + 63378^2 .
It is an emirp because it is prime and its reverse (90152455051) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15055425109 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (15055425149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7527712554 + 7527712555.
It is an arithmetic number, because the mean of its divisors is an integer number (7527712555).
Almost surely, 215055425109 is an apocalyptic number.
It is an amenable number.
15055425109 is a deficient number, since it is larger than the sum of its proper divisors (1).
15055425109 is an equidigital number, since it uses as much as digits as its factorization.
15055425109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 45000, while the sum is 37.
The spelling of 15055425109 in words is "fifteen billion, fifty-five million, four hundred twenty-five thousand, one hundred nine".
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