Base | Representation |
---|---|
bin | 110010110000111111… |
… | …010111110011110001 |
3 | 12012200211022121202012 |
4 | 302300333113303301 |
5 | 1343113301311121 |
6 | 41012513132305 |
7 | 3636532640654 |
oct | 626077276361 |
9 | 165624277665 |
10 | 54509010161 |
11 | 21131a08131 |
12 | a692b5a095 |
13 | 51a8c7c688 |
14 | 28d150389b |
15 | 1640662c5b |
hex | cb0fd7cf1 |
54509010161 has 4 divisors (see below), whose sum is σ = 54520468800. Its totient is φ = 54497551524.
The previous prime is 54509010139. The next prime is 54509010181. The reversal of 54509010161 is 16101090545.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 54509010161 - 26 = 54509010097 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54509010181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5722181 + ... + 5731698.
It is an arithmetic number, because the mean of its divisors is an integer number (13630117200).
Almost surely, 254509010161 is an apocalyptic number.
It is an amenable number.
54509010161 is a deficient number, since it is larger than the sum of its proper divisors (11458639).
54509010161 is a wasteful number, since it uses less digits than its factorization.
54509010161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11458638.
The product of its (nonzero) digits is 5400, while the sum is 32.
The spelling of 54509010161 in words is "fifty-four billion, five hundred nine million, ten thousand, one hundred sixty-one".
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