Base | Representation |
---|---|
bin | 1111000100101110000… |
… | …10110101111101000100 |
3 | 1211111212110000020210211 |
4 | 13202113002311331010 |
5 | 31441210111233140 |
6 | 1033533413125204 |
7 | 52263535616002 |
oct | 7422702657504 |
9 | 1744773006724 |
10 | 517930180420 |
11 | 18a7200a2424 |
12 | 84465929804 |
13 | 39ac0a739a3 |
14 | 1b0d4677a72 |
15 | d714ce92ea |
hex | 78970b5f44 |
517930180420 has 24 divisors (see below), whose sum is σ = 1144898294400. Its totient is φ = 196268278752.
The previous prime is 517930180403. The next prime is 517930180447. The reversal of 517930180420 is 24081039715.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681486700 + ... + 681487459.
It is an arithmetic number, because the mean of its divisors is an integer number (47704095600).
Almost surely, 2517930180420 is an apocalyptic number.
It is an amenable number.
517930180420 is an abundant number, since it is smaller than the sum of its proper divisors (626968113980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
517930180420 is a wasteful number, since it uses less digits than its factorization.
517930180420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1362974187 (or 1362974185 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 40.
The spelling of 517930180420 in words is "five hundred seventeen billion, nine hundred thirty million, one hundred eighty thousand, four hundred twenty".
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