Base | Representation |
---|---|
bin | 10001101110110001… |
… | …001010000110000100 |
3 | 1211010210211021101020 |
4 | 101232301022012010 |
5 | 302442242434343 |
6 | 12425051431140 |
7 | 1242533310066 |
oct | 215661120604 |
9 | 54123737336 |
10 | 19038249348 |
11 | 808a660578 |
12 | 3833a554b0 |
13 | 1a45370501 |
14 | cc8693736 |
15 | 7665e2b83 |
hex | 46ec4a184 |
19038249348 has 24 divisors (see below), whose sum is σ = 44837749152. Its totient is φ = 6286773504.
The previous prime is 19038249343. The next prime is 19038249361. The reversal of 19038249348 is 84394283091.
It is a self number, because there is not a number n which added to its sum of digits gives 19038249348.
It is not an unprimeable number, because it can be changed into a prime (19038249343) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7412365 + ... + 7414932.
It is an arithmetic number, because the mean of its divisors is an integer number (1868239548).
Almost surely, 219038249348 is an apocalyptic number.
It is an amenable number.
19038249348 is an abundant number, since it is smaller than the sum of its proper divisors (25799499804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19038249348 is a wasteful number, since it uses less digits than its factorization.
19038249348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14827411 (or 14827409 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 51.
The spelling of 19038249348 in words is "nineteen billion, thirty-eight million, two hundred forty-nine thousand, three hundred forty-eight".
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