Base | Representation |
---|---|
bin | 1101000000110000100011… |
… | …11111100001010100101010 |
3 | 10202022102010020020001120010 |
4 | 12200120101333201110222 |
5 | 12222300142220141221 |
6 | 140504445203312350 |
7 | 6012151036646166 |
oct | 640302177412452 |
9 | 122272106201503 |
10 | 28613373990186 |
11 | 9131955739617 |
12 | 326156907b6b6 |
13 | 12c72ca53c94b |
14 | 70cc7505dca6 |
15 | 349475d42c76 |
hex | 1a0611fe152a |
28613373990186 has 32 divisors (see below), whose sum is σ = 57609886929408. Its totient is φ = 9474143863280.
The previous prime is 28613373990163. The next prime is 28613373990193. The reversal of 28613373990186 is 68109937331682.
It is a super-3 number, since 3×286133739901863 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
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, 25580220 + ... + 26675351.
It is an arithmetic number, because the mean of its divisors is an integer number (1800308966544).
Almost surely, 228613373990186 is an apocalyptic number.
28613373990186 is an abundant number, since it is smaller than the sum of its proper divisors (28996512939222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28613373990186 is a wasteful number, since it uses less digits than its factorization.
28613373990186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52256186.
The product of its (nonzero) digits is 70543872, while the sum is 66.
The spelling of 28613373990186 in words is "twenty-eight trillion, six hundred thirteen billion, three hundred seventy-three million, nine hundred ninety thousand, one hundred eighty-six".
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