Base | Representation |
---|---|
bin | 1001101110001100… |
… | …10111000100010000 |
3 | 111110202012001102200 |
4 | 10313012113010100 |
5 | 41142130202040 |
6 | 2221525243200 |
7 | 243225003513 |
oct | 46706270420 |
9 | 14422161380 |
10 | 5219381520 |
11 | 2239228651 |
12 | 1017b63500 |
13 | 652440942 |
14 | 37728ad7a |
15 | 20833d630 |
hex | 137197110 |
5219381520 has 60 divisors (see below), whose sum is σ = 17528425356. Its totient is φ = 1391834880.
The previous prime is 5219381509. The next prime is 5219381543. The reversal of 5219381520 is 251839125.
5219381520 is a `hidden beast` number, since 52 + 1 + 9 + 3 + 81 + 520 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2466910224 + 2752471296 = 49668^2 + 52464^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3623851 + ... + 3625290.
Almost surely, 25219381520 is an apocalyptic number.
It is an amenable number.
5219381520 is an abundant number, since it is smaller than the sum of its proper divisors (12309043836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5219381520 is a wasteful number, since it uses less digits than its factorization.
5219381520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7249160 (or 7249151 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 36.
The square root of 5219381520 is about 72245.2871819332. The cubic root of 5219381520 is about 1734.6279818167.
The spelling of 5219381520 in words is "five billion, two hundred nineteen million, three hundred eighty-one thousand, five hundred twenty".
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