Base | Representation |
---|---|
bin | 1111011010100001… |
… | …00011011010000100 |
3 | 210100201211022012121 |
4 | 13231100203122010 |
5 | 113422012204240 |
6 | 3445100455324 |
7 | 412034435020 |
oct | 75520433204 |
9 | 23321738177 |
10 | 8275506820 |
11 | 3567342839 |
12 | 172b54a544 |
13 | a1b6465c9 |
14 | 587103380 |
15 | 3367bc04a |
hex | 1ed423684 |
8275506820 has 48 divisors (see below), whose sum is σ = 19867978368. Its totient is φ = 2836350720.
The previous prime is 8275506803. The next prime is 8275506937. The reversal of 8275506820 is 286055728.
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, 491664 + ... + 508216.
It is an arithmetic number, because the mean of its divisors is an integer number (413916216).
Almost surely, 28275506820 is an apocalyptic number.
It is an amenable number.
8275506820 is an abundant number, since it is smaller than the sum of its proper divisors (11592471548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8275506820 is a wasteful number, since it uses less digits than its factorization.
8275506820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20140 (or 20138 counting only the distinct ones).
The product of its (nonzero) digits is 268800, while the sum is 43.
The square root of 8275506820 is about 90969.8126853079. The cubic root of 8275506820 is about 2022.7002756177.
The spelling of 8275506820 in words is "eight billion, two hundred seventy-five million, five hundred six thousand, eight hundred twenty".
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