Base | Representation |
---|---|
bin | 101011110011000111… |
… | …000011111101000111 |
3 | 11111101111012121211101 |
4 | 223303013003331013 |
5 | 1232303231401110 |
6 | 33334325320531 |
7 | 3253256461624 |
oct | 536307037507 |
9 | 144344177741 |
10 | 47028387655 |
11 | 18a43331787 |
12 | 9145866147 |
13 | 4586217622 |
14 | 23c1bd734b |
15 | 1353a5c13a |
hex | af31c3f47 |
47028387655 has 16 divisors (see below), whose sum is σ = 56898561024. Its totient is φ = 37313256960.
The previous prime is 47028387589. The next prime is 47028387667. The reversal of 47028387655 is 55678382074.
It is a de Polignac number, because none of the positive numbers 2k-47028387655 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 47028387596 and 47028387605.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2033839 + ... + 2056831.
It is an arithmetic number, because the mean of its divisors is an integer number (3556160064).
Almost surely, 247028387655 is an apocalyptic number.
47028387655 is a deficient number, since it is larger than the sum of its proper divisors (9870173369).
47028387655 is a wasteful number, since it uses less digits than its factorization.
47028387655 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26346.
The product of its (nonzero) digits is 11289600, while the sum is 55.
The spelling of 47028387655 in words is "forty-seven billion, twenty-eight million, three hundred eighty-seven thousand, six hundred fifty-five".
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