Base | Representation |
---|---|
bin | 11010001010010001… |
… | …010101100101110110 |
3 | 2200111121112202101010 |
4 | 122022101111211312 |
5 | 430011414320340 |
6 | 20523145413050 |
7 | 2013041461404 |
oct | 321221254566 |
9 | 80447482333 |
10 | 28089604470 |
11 | 10a04938654 |
12 | 553b19a186 |
13 | 2858661945 |
14 | 1506836474 |
15 | ae6065b80 |
hex | 68a455976 |
28089604470 has 32 divisors (see below), whose sum is σ = 67419501408. Its totient is φ = 7490066688.
The previous prime is 28089604451. The next prime is 28089604493. The reversal of 28089604470 is 7440698082.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779082 + ... + 814338.
It is an arithmetic number, because the mean of its divisors is an integer number (2106859419).
Almost surely, 228089604470 is an apocalyptic number.
28089604470 is an abundant number, since it is smaller than the sum of its proper divisors (39329896938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28089604470 is a wasteful number, since it uses less digits than its factorization.
28089604470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61824.
The product of its (nonzero) digits is 774144, while the sum is 48.
The spelling of 28089604470 in words is "twenty-eight billion, eighty-nine million, six hundred four thousand, four hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •