Base | Representation |
---|---|
bin | 1100110101100011000101… |
… | …10011101011110000001001 |
3 | 10200221120212121000102002112 |
4 | 12122301202303223300021 |
5 | 12144442304243110113 |
6 | 140011503111112105 |
7 | 5642263453510160 |
oct | 632614263536011 |
9 | 120846777012075 |
10 | 28228182785033 |
11 | 8aa3561302a50 |
12 | 31ba989372635 |
13 | 1299ba1c5250a |
14 | 6d837394c3d7 |
15 | 33e42e5905a8 |
hex | 19ac62cebc09 |
28228182785033 has 64 divisors (see below), whose sum is σ = 36663828664320. Its totient is φ = 21088012780800.
The previous prime is 28228182784969. The next prime is 28228182785039. The reversal of 28228182785033 is 33058728182282.
It is a happy number.
It is not a de Polignac number, because 28228182785033 - 26 = 28228182784969 is a prime.
It is a super-2 number, since 2×282281827850332 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28228182785039) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406529828 + ... + 406599258.
It is an arithmetic number, because the mean of its divisors is an integer number (572872322880).
Almost surely, 228228182785033 is an apocalyptic number.
It is an amenable number.
28228182785033 is a deficient number, since it is larger than the sum of its proper divisors (8435645879287).
28228182785033 is a wasteful number, since it uses less digits than its factorization.
28228182785033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70758.
The product of its (nonzero) digits is 20643840, while the sum is 59.
The spelling of 28228182785033 in words is "twenty-eight trillion, two hundred twenty-eight billion, one hundred eighty-two million, seven hundred eighty-five thousand, thirty-three".
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