Base | Representation |
---|---|
bin | 1011110110100001… |
… | …1010001101110000 |
3 | 22012201112021122101 |
4 | 2331220122031300 |
5 | 23003430040320 |
6 | 1243410150144 |
7 | 141561123121 |
oct | 27550321560 |
9 | 8181467571 |
10 | 3181486960 |
11 | 1392959273 |
12 | 749582354 |
13 | 3b9189182 |
14 | 22276a048 |
15 | 139492c0a |
hex | bda1a370 |
3181486960 has 160 divisors (see below), whose sum is σ = 7933635072. Its totient is φ = 1183902720.
The previous prime is 3181486909. The next prime is 3181486991. The reversal of 3181486960 is 696841813.
3181486960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (46).
It is a self number, because there is not a number n which added to its sum of digits gives 3181486960.
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, 16149582 + ... + 16149778.
Almost surely, 23181486960 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3181486960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3966817536).
3181486960 is an abundant number, since it is smaller than the sum of its proper divisors (4752148112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3181486960 is a wasteful number, since it uses less digits than its factorization.
3181486960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431 (or 425 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 46.
The square root of 3181486960 is about 56404.6714377453. The cubic root of 3181486960 is about 1470.7653256377.
The spelling of 3181486960 in words is "three billion, one hundred eighty-one million, four hundred eighty-six thousand, nine hundred sixty".
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