Base | Representation |
---|---|
bin | 11100010110000000… |
… | …01111111010100110 |
3 | 1110021111110200212101 |
4 | 32023000033322212 |
5 | 222131023000402 |
6 | 10553545042314 |
7 | 1046043236533 |
oct | 161300177246 |
9 | 43244420771 |
10 | 15217000102 |
11 | 64a9666447 |
12 | 2b4818639a |
13 | 15867a6195 |
14 | a44d8dd8a |
15 | 5e0dcab87 |
hex | 38b00fea6 |
15217000102 has 4 divisors (see below), whose sum is σ = 22825500156. Its totient is φ = 7608500050.
The previous prime is 15217000091. The next prime is 15217000109. The reversal of 15217000102 is 20100071251.
15217000102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20100071251 = 13 ⋅1546159327.
It is a self number, because there is not a number n which added to its sum of digits gives 15217000102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15217000109) 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, 3804250024 + ... + 3804250027.
It is an arithmetic number, because the mean of its divisors is an integer number (5706375039).
Almost surely, 215217000102 is an apocalyptic number.
15217000102 is a deficient number, since it is larger than the sum of its proper divisors (7608500054).
15217000102 is an equidigital number, since it uses as much as digits as its factorization.
15217000102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7608500053.
The product of its (nonzero) digits is 140, while the sum is 19.
Adding to 15217000102 its reverse (20100071251), we get a palindrome (35317071353).
The spelling of 15217000102 in words is "fifteen billion, two hundred seventeen million, one hundred two", and thus it is an aban number.
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