Base | Representation |
---|---|
bin | 11010000101000110… |
… | …001101110100111101 |
3 | 2200021120012210011001 |
4 | 122011012031310331 |
5 | 424322204144010 |
6 | 20510405130301 |
7 | 2010635620042 |
oct | 320506156475 |
9 | 80246183131 |
10 | 28002803005 |
11 | 1096a941401 |
12 | 55160b9991 |
13 | 284368c828 |
14 | 14d90bd1c9 |
15 | add61bc3a |
hex | 68518dd3d |
28002803005 has 16 divisors (see below), whose sum is σ = 33871622400. Its totient is φ = 22223522880.
The previous prime is 28002802991. The next prime is 28002803029. The reversal of 28002803005 is 50030820082.
It is a de Polignac number, because none of the positive numbers 2k-28002803005 is a prime.
It is a super-2 number, since 2×280028030052 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561491 + ... + 2572399.
It is an arithmetic number, because the mean of its divisors is an integer number (2116976400).
Almost surely, 228002803005 is an apocalyptic number.
It is an amenable number.
28002803005 is a deficient number, since it is larger than the sum of its proper divisors (5868819395).
28002803005 is a wasteful number, since it uses less digits than its factorization.
28002803005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14964.
The product of its (nonzero) digits is 3840, while the sum is 28.
The spelling of 28002803005 in words is "twenty-eight billion, two million, eight hundred three thousand, five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •