Base | Representation |
---|---|
bin | 110011010001001111… |
… | …001001000100100111 |
3 | 12021002112022111220000 |
4 | 303101033021010213 |
5 | 1400220300440030 |
6 | 41142320512343 |
7 | 3656122256412 |
oct | 632117110447 |
9 | 167075274800 |
10 | 55050015015 |
11 | 2138a331086 |
12 | a80417b6b3 |
13 | 52640907a8 |
14 | 29432d0b79 |
15 | 1672dca860 |
hex | cd13c9127 |
55050015015 has 20 divisors (see below), whose sum is σ = 98682249864. Its totient is φ = 29360007792.
The previous prime is 55050015011. The next prime is 55050015017. The reversal of 55050015015 is 51051005055.
55050015015 is a `hidden beast` number, since 5 + 5 + 0 + 500 + 150 + 1 + 5 = 666.
It is not a de Polignac number, because 55050015015 - 22 = 55050015011 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a self number, because there is not a number n which added to its sum of digits gives 55050015015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55050015011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67962577 + ... + 67963386.
Almost surely, 255050015015 is an apocalyptic number.
55050015015 is a deficient number, since it is larger than the sum of its proper divisors (43632234849).
55050015015 is a wasteful number, since it uses less digits than its factorization.
55050015015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135925980 (or 135925971 counting only the distinct ones).
The product of its (nonzero) digits is 3125, while the sum is 27.
The spelling of 55050015015 in words is "fifty-five billion, fifty million, fifteen thousand, fifteen".
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