Base | Representation |
---|---|
bin | 101011110011010011… |
… | …011011110100101010 |
3 | 11111101201022102001200 |
4 | 223303103123310222 |
5 | 1232310044144041 |
6 | 33334523025030 |
7 | 3253326161103 |
oct | 536323336452 |
9 | 144351272050 |
10 | 47031631146 |
11 | 18a45147655 |
12 | 914696b176 |
13 | 4586ab1a56 |
14 | 23c23dd3aa |
15 | 1353e9d1b6 |
hex | af34dbd2a |
47031631146 has 48 divisors (see below), whose sum is σ = 108492333768. Its totient is φ = 14673484800.
The previous prime is 47031631117. The next prime is 47031631189. The reversal of 47031631146 is 64113613074.
47031631146 is a `hidden beast` number, since 4 + 7 + 0 + 3 + 1 + 631 + 14 + 6 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 33769575225 + 13262055921 = 183765^2 + 115161^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 47031631146.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369195 + ... + 479966.
Almost surely, 247031631146 is an apocalyptic number.
47031631146 is an abundant number, since it is smaller than the sum of its proper divisors (61460702622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47031631146 is a wasteful number, since it uses less digits than its factorization.
47031631146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 849367 (or 849364 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The spelling of 47031631146 in words is "forty-seven billion, thirty-one million, six hundred thirty-one thousand, one hundred forty-six".
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