Base | Representation |
---|---|
bin | 10001111011101000… |
… | …010010111011100010 |
3 | 1211200211212001212002 |
4 | 101323220102323202 |
5 | 303413012430200 |
6 | 12502320404002 |
7 | 1251063361253 |
oct | 217350227342 |
9 | 54624761762 |
10 | 19254030050 |
11 | 8190441832 |
12 | 3894176602 |
13 | 1a7ac915b8 |
14 | d091c2b2a |
15 | 77a517bd5 |
hex | 47ba12ee2 |
19254030050 has 24 divisors (see below), whose sum is σ = 35859874836. Its totient is φ = 7691423040.
The previous prime is 19254030023. The next prime is 19254030053. The reversal of 19254030050 is 5003045291.
It can be written as a sum of positive squares in 6 ways, for example, as 14822332009 + 4431698041 = 121747^2 + 66571^2 .
It is a junction number, because it is equal to n+sod(n) for n = 19254029995 and 19254030022.
It is not an unprimeable number, because it can be changed into a prime (19254030053) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216497 + ... + 292196.
Almost surely, 219254030050 is an apocalyptic number.
19254030050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19254030050 is a deficient number, since it is larger than the sum of its proper divisors (16605844786).
19254030050 is a wasteful number, since it uses less digits than its factorization.
19254030050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 509462 (or 509457 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 29.
The spelling of 19254030050 in words is "nineteen billion, two hundred fifty-four million, thirty thousand, fifty".
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