Base | Representation |
---|---|
bin | 11100001110100111… |
… | …10000001001101101 |
3 | 1110010011210222012221 |
4 | 32013103300021231 |
5 | 222014140112023 |
6 | 10543452155341 |
7 | 1044361260112 |
oct | 160723601155 |
9 | 43104728187 |
10 | 15155004013 |
11 | 6477671906 |
12 | 2b2b468b51 |
13 | 15769aa7c6 |
14 | a3aa52909 |
15 | 5da73185d |
hex | 3874f026d |
15155004013 has 2 divisors, whose sum is σ = 15155004014. Its totient is φ = 15155004012.
The previous prime is 15155003993. The next prime is 15155004019. The reversal of 15155004013 is 31040055151.
It is a happy number.
15155004013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 12427344484 + 2727659529 = 111478^2 + 52227^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15155004013 is a prime.
It is a super-2 number, since 2×151550040132 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (15155004019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577502006 + 7577502007.
It is an arithmetic number, because the mean of its divisors is an integer number (7577502007).
Almost surely, 215155004013 is an apocalyptic number.
It is an amenable number.
15155004013 is a deficient number, since it is larger than the sum of its proper divisors (1).
15155004013 is an equidigital number, since it uses as much as digits as its factorization.
15155004013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1500, while the sum is 25.
Adding to 15155004013 its reverse (31040055151), we get a palindrome (46195059164).
The spelling of 15155004013 in words is "fifteen billion, one hundred fifty-five million, four thousand, thirteen".
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