Base | Representation |
---|---|
bin | 10001110011111110… |
… | …101100011101010000 |
3 | 1211100220100102020110 |
4 | 101303332230131100 |
5 | 303132133342143 |
6 | 12441453441320 |
7 | 1244644426542 |
oct | 216376543520 |
9 | 54326312213 |
10 | 19125684048 |
11 | 8124a4a559 |
12 | 38591a0240 |
13 | 1a5a504913 |
14 | cd6133692 |
15 | 76e114533 |
hex | 473fac750 |
19125684048 has 40 divisors (see below), whose sum is σ = 49413051648. Its totient is φ = 6374578432.
The previous prime is 19125684041. The next prime is 19125684049. The reversal of 19125684048 is 84048652191.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a junction number, because it is equal to n+sod(n) for n = 19125683988 and 19125684006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19125684041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785140 + ... + 809132.
Almost surely, 219125684048 is an apocalyptic number.
It is an amenable number.
19125684048 is an abundant number, since it is smaller than the sum of its proper divisors (30287367600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19125684048 is a wasteful number, since it uses less digits than its factorization.
19125684048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40611 (or 40605 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 48.
The spelling of 19125684048 in words is "nineteen billion, one hundred twenty-five million, six hundred eighty-four thousand, forty-eight".
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