Base | Representation |
---|---|
bin | 110011010111111010… |
… | …100101000101000100 |
3 | 12021101100011020212121 |
4 | 303113322211011010 |
5 | 1400432442041340 |
6 | 41201402255324 |
7 | 3661652550403 |
oct | 632772450504 |
9 | 167340136777 |
10 | 55162065220 |
11 | 21437603059 |
12 | a8357b7544 |
13 | 52813630a2 |
14 | 295413b63a |
15 | 167cb6094a |
hex | cd7ea5144 |
55162065220 has 24 divisors (see below), whose sum is σ = 119834832600. Its totient is φ = 21303969792.
The previous prime is 55162065209. The next prime is 55162065221. The reversal of 55162065220 is 2256026155.
55162065220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 2518433856 + 52643631364 = 50184^2 + 229442^2 .
It is not an unprimeable number, because it can be changed into a prime (55162065221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47552925 + ... + 47554084.
It is an arithmetic number, because the mean of its divisors is an integer number (4993118025).
Almost surely, 255162065220 is an apocalyptic number.
It is an amenable number.
55162065220 is an abundant number, since it is smaller than the sum of its proper divisors (64672767380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55162065220 is a wasteful number, since it uses less digits than its factorization.
55162065220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95107047 (or 95107045 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 34.
The spelling of 55162065220 in words is "fifty-five billion, one hundred sixty-two million, sixty-five thousand, two hundred twenty".
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