Base | Representation |
---|---|
bin | 1110010000000111000… |
… | …11101110101000111110 |
3 | 1201210222001112200012210 |
4 | 13020003203232220332 |
5 | 31010334102010340 |
6 | 1012543021441250 |
7 | 50243606030445 |
oct | 7100343565076 |
9 | 1653861480183 |
10 | 489685969470 |
11 | 179746a66725 |
12 | 7aaa2a10226 |
13 | 3723c38c529 |
14 | 199b54b7d5c |
15 | cb103e4180 |
hex | 72038eea3e |
489685969470 has 64 divisors (see below), whose sum is σ = 1187883766080. Its totient is φ = 129182515200.
The previous prime is 489685969469. The next prime is 489685969483. The reversal of 489685969470 is 74969586984.
It is a junction number, because it is equal to n+sod(n) for n = 489685969392 and 489685969401.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1979260 + ... + 2212880.
It is an arithmetic number, because the mean of its divisors is an integer number (18560683845).
Almost surely, 2489685969470 is an apocalyptic number.
489685969470 is an abundant number, since it is smaller than the sum of its proper divisors (698197796610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489685969470 is a wasteful number, since it uses less digits than its factorization.
489685969470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234381.
The product of its (nonzero) digits is 940584960, while the sum is 75.
The spelling of 489685969470 in words is "four hundred eighty-nine billion, six hundred eighty-five million, nine hundred sixty-nine thousand, four hundred seventy".
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