Base | Representation |
---|---|
bin | 10001111101011111… |
… | …100011001010110000 |
3 | 1211210000200022202211 |
4 | 101331133203022300 |
5 | 303444013313241 |
6 | 12505354421504 |
7 | 1251623163136 |
oct | 217537431260 |
9 | 54700608684 |
10 | 19285291696 |
11 | 81a7054100 |
12 | 38a2731894 |
13 | 1a845b8908 |
14 | d0d3dd756 |
15 | 77d140781 |
hex | 47d7e32b0 |
19285291696 has 60 divisors (see below), whose sum is σ = 41566073976. Its totient is φ = 8660354560.
The previous prime is 19285291693. The next prime is 19285291723. The reversal of 19285291696 is 69619258291.
It is a self number, because there is not a number n which added to its sum of digits gives 19285291696.
It is not an unprimeable number, because it can be changed into a prime (19285291693) 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 11 ways as a sum of consecutive naturals, for example, 100680 + ... + 220696.
Almost surely, 219285291696 is an apocalyptic number.
19285291696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19285291696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20783036988).
19285291696 is an abundant number, since it is smaller than the sum of its proper divisors (22280782280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19285291696 is a wasteful number, since it uses less digits than its factorization.
19285291696 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120130 (or 120113 counting only the distinct ones).
The product of its digits is 4199040, while the sum is 58.
The spelling of 19285291696 in words is "nineteen billion, two hundred eighty-five million, two hundred ninety-one thousand, six hundred ninety-six".
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