Base | Representation |
---|---|
bin | 11010010111110010… |
… | …101110111011111101 |
3 | 2201002102102100120011 |
4 | 122113302232323331 |
5 | 430443003302340 |
6 | 21001452023221 |
7 | 2021464651156 |
oct | 322762567375 |
9 | 81072370504 |
10 | 28316462845 |
11 | 110109a5710 |
12 | 55a3161b11 |
13 | 2893660c78 |
14 | 1528a0a92d |
15 | b0ae280ea |
hex | 697caeefd |
28316462845 has 32 divisors (see below), whose sum is σ = 39630539520. Its totient is φ = 19194147840.
The previous prime is 28316462833. The next prime is 28316462887. The reversal of 28316462845 is 54826461382.
It is not a de Polignac number, because 28316462845 - 217 = 28316331773 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50710 + ... + 243319.
It is an arithmetic number, because the mean of its divisors is an integer number (1238454360).
Almost surely, 228316462845 is an apocalyptic number.
It is an amenable number.
28316462845 is a deficient number, since it is larger than the sum of its proper divisors (11314076675).
28316462845 is a wasteful number, since it uses less digits than its factorization.
28316462845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294165.
The product of its digits is 2211840, while the sum is 49.
The spelling of 28316462845 in words is "twenty-eight billion, three hundred sixteen million, four hundred sixty-two thousand, eight hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •