Base | Representation |
---|---|
bin | 110011101010010010… |
… | …111001011110000001 |
3 | 12022011211101210221101 |
4 | 303222102321132001 |
5 | 1402100412230311 |
6 | 41252135454401 |
7 | 4002415606333 |
oct | 635222713601 |
9 | 168154353841 |
10 | 55470430081 |
11 | 21585680150 |
12 | a900b27401 |
13 | 53001cc3c1 |
14 | 298308b453 |
15 | 1699c72ec1 |
hex | cea4b9781 |
55470430081 has 32 divisors (see below), whose sum is σ = 62667795456. Its totient is φ = 48656376000.
The previous prime is 55470430069. The next prime is 55470430151. The reversal of 55470430081 is 18003407455.
55470430081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 55470430081 - 25 = 55470430049 is a prime.
It is a super-4 number, since 4×554704300814 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 55470430081.
It is not an unprimeable number, because it can be changed into a prime (55470430181) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53802036 + ... + 53803066.
It is an arithmetic number, because the mean of its divisors is an integer number (1958368608).
Almost surely, 255470430081 is an apocalyptic number.
It is an amenable number.
55470430081 is a deficient number, since it is larger than the sum of its proper divisors (7197365375).
55470430081 is a wasteful number, since it uses less digits than its factorization.
55470430081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2053.
The product of its (nonzero) digits is 67200, while the sum is 37.
The spelling of 55470430081 in words is "fifty-five billion, four hundred seventy million, four hundred thirty thousand, eighty-one".
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