Base | Representation |
---|---|
bin | 101100001011111111… |
… | …000000000101110000 |
3 | 11112110120110112201000 |
4 | 230023333000011300 |
5 | 1234132100030242 |
6 | 33443554042000 |
7 | 3266514560523 |
oct | 541377000560 |
9 | 145416415630 |
10 | 47445705072 |
11 | 19137955507 |
12 | 9241579300 |
13 | 46218102cc |
14 | 24213c8bba |
15 | 137a4e1a4c |
hex | b0bfc0170 |
47445705072 has 40 divisors (see below), whose sum is σ = 136186747280. Its totient is φ = 15815234880.
The previous prime is 47445705053. The next prime is 47445705077. The reversal of 47445705072 is 27050754474.
47445705072 is a `hidden beast` number, since 4 + 7 + 4 + 4 + 570 + 5 + 0 + 72 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47445705077) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54913579 + ... + 54914442.
It is an arithmetic number, because the mean of its divisors is an integer number (3404668682).
Almost surely, 247445705072 is an apocalyptic number.
It is an amenable number.
47445705072 is an abundant number, since it is smaller than the sum of its proper divisors (88741042208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47445705072 is a wasteful number, since it uses less digits than its factorization.
47445705072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109828038 (or 109828026 counting only the distinct ones).
The product of its (nonzero) digits is 1097600, while the sum is 45.
The spelling of 47445705072 in words is "forty-seven billion, four hundred forty-five million, seven hundred five thousand, seventy-two".
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