Base | Representation |
---|---|
bin | 11101101010110010… |
… | …10001001110100010 |
3 | 1112010001201111122211 |
4 | 32311121101032202 |
5 | 230110104432041 |
6 | 11152312352334 |
7 | 1102500325063 |
oct | 166531211642 |
9 | 45101644584 |
10 | 15928202146 |
11 | 683406702a |
12 | 31063a56aa |
13 | 166ac382ac |
14 | ab160256a |
15 | 633562481 |
hex | 3b56513a2 |
15928202146 has 24 divisors (see below), whose sum is σ = 24536722716. Its totient is φ = 7754661600.
The previous prime is 15928202141. The next prime is 15928202161. The reversal of 15928202146 is 64120282951.
It is a happy number.
15928202146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 15925178025 + 3024121 = 126195^2 + 1739^2 .
It is a junction number, because it is equal to n+sod(n) for n = 15928202099 and 15928202108.
It is not an unprimeable number, because it can be changed into a prime (15928202141) 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 in 11 ways as a sum of consecutive naturals, for example, 861196 + ... + 879496.
Almost surely, 215928202146 is an apocalyptic number.
15928202146 is a deficient number, since it is larger than the sum of its proper divisors (8608520570).
15928202146 is a wasteful number, since it uses less digits than its factorization.
15928202146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18594 (or 18547 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 40.
The spelling of 15928202146 in words is "fifteen billion, nine hundred twenty-eight million, two hundred two thousand, one hundred forty-six".
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