Base | Representation |
---|---|
bin | 11010100100010001… |
… | …010011000111101010 |
3 | 2201122000022212211210 |
4 | 122210101103013222 |
5 | 431410101130322 |
6 | 21034330533550 |
7 | 2026616213250 |
oct | 324421230752 |
9 | 81560285753 |
10 | 28525801962 |
11 | 11109087249 |
12 | 56412972b6 |
13 | 28c7b38078 |
14 | 15487405d0 |
15 | b1e4c970c |
hex | 6a44531ea |
28525801962 has 48 divisors (see below), whose sum is σ = 68814159552. Its totient is φ = 7721265600.
The previous prime is 28525801961. The next prime is 28525802023. The reversal of 28525801962 is 26910852582.
It is not an unprimeable number, because it can be changed into a prime (28525801961) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 925539 + ... + 955862.
It is an arithmetic number, because the mean of its divisors is an integer number (1433628324).
Almost surely, 228525801962 is an apocalyptic number.
28525801962 is an abundant number, since it is smaller than the sum of its proper divisors (40288357590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28525801962 is a wasteful number, since it uses less digits than its factorization.
28525801962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1881451 (or 1881432 counting only the distinct ones).
The product of its (nonzero) digits is 691200, while the sum is 48.
The spelling of 28525801962 in words is "twenty-eight billion, five hundred twenty-five million, eight hundred one thousand, nine hundred sixty-two".
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