Base | Representation |
---|---|
bin | 10001110000110010… |
… | …000110010001101111 |
3 | 1211020011102112112212 |
4 | 101300302012101233 |
5 | 303024421102122 |
6 | 12432300121035 |
7 | 1243423516103 |
oct | 216062062157 |
9 | 54204375485 |
10 | 19072050287 |
11 | 80a7747734 |
12 | 384323617b |
13 | 1a4c376574 |
14 | cccd71903 |
15 | 76956cce2 |
hex | 470c8646f |
19072050287 has 8 divisors (see below), whose sum is σ = 20203319232. Its totient is φ = 17941824000.
The previous prime is 19072050227. The next prime is 19072050329. The reversal of 19072050287 is 78205027091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19072050287 - 28 = 19072050031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19072050227) 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, 222839 + ... + 296312.
It is an arithmetic number, because the mean of its divisors is an integer number (2525414904).
Almost surely, 219072050287 is an apocalyptic number.
19072050287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
19072050287 is a deficient number, since it is larger than the sum of its proper divisors (1131268945).
19072050287 is a wasteful number, since it uses less digits than its factorization.
19072050287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521329.
The product of its (nonzero) digits is 70560, while the sum is 41.
The spelling of 19072050287 in words is "nineteen billion, seventy-two million, fifty thousand, two hundred eighty-seven".
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