Base | Representation |
---|---|
bin | 110011010001001111… |
… | …011111001010001111 |
3 | 12021002112111002222211 |
4 | 303101033133022033 |
5 | 1400220311333422 |
6 | 41142322451251 |
7 | 3656123114236 |
oct | 632117371217 |
9 | 167075432884 |
10 | 55050105487 |
11 | 2138a393053 |
12 | a804203b27 |
13 | 52640c2a20 |
14 | 2943315b1d |
15 | 1672de7577 |
hex | cd13df28f |
55050105487 has 12 divisors (see below), whose sum is σ = 62569206840. Its totient is φ = 48140978832.
The previous prime is 55050105463. The next prime is 55050105491. The reversal of 55050105487 is 78450105055.
It is a happy number.
It is not a de Polignac number, because 55050105487 - 211 = 55050103439 is a prime.
It is a super-2 number, since 2×550501054872 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55050105437) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5860437 + ... + 5869822.
It is an arithmetic number, because the mean of its divisors is an integer number (5214100570).
Almost surely, 255050105487 is an apocalyptic number.
55050105487 is a deficient number, since it is larger than the sum of its proper divisors (7519101353).
55050105487 is a wasteful number, since it uses less digits than its factorization.
55050105487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11730310 (or 11730291 counting only the distinct ones).
The product of its (nonzero) digits is 140000, while the sum is 40.
The spelling of 55050105487 in words is "fifty-five billion, fifty million, one hundred five thousand, four hundred eighty-seven".
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