Base | Representation |
---|---|
bin | 11010110000100011… |
… | …111001001001100111 |
3 | 2202011101022222101021 |
4 | 122300203321021213 |
5 | 432320343043134 |
6 | 21111014312011 |
7 | 2035001665234 |
oct | 326043711147 |
9 | 82141288337 |
10 | 28732002919 |
11 | 11204515064 |
12 | 569a358607 |
13 | 292b783979 |
14 | 1567c9878b |
15 | b3265b0b4 |
hex | 6b08f9267 |
28732002919 has 8 divisors (see below), whose sum is σ = 29466003168. Its totient is φ = 27999584640.
The previous prime is 28732002883. The next prime is 28732002931. The reversal of 28732002919 is 91920023782.
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 28732002919 - 215 = 28731970151 is a prime.
It is a super-2 number, since 2×287320029192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28732002119) 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, 358662 + ... + 431395.
It is an arithmetic number, because the mean of its divisors is an integer number (3683250396).
Almost surely, 228732002919 is an apocalyptic number.
28732002919 is a deficient number, since it is larger than the sum of its proper divisors (734000249).
28732002919 is an equidigital number, since it uses as much as digits as its factorization.
28732002919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790985.
The product of its (nonzero) digits is 108864, while the sum is 43.
The spelling of 28732002919 in words is "twenty-eight billion, seven hundred thirty-two million, two thousand, nine hundred nineteen".
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