Base | Representation |
---|---|
bin | 10101110001101100111100… |
… | …00100101110011001101110 |
3 | 20021112222100021000221202101 |
4 | 22320312132010232121232 |
5 | 22234041033024444440 |
6 | 245503032342045314 |
7 | 13041511336340155 |
oct | 1270663604563156 |
9 | 207488307027671 |
10 | 47887242421870 |
11 | 14292957a24a05 |
12 | 5454a5071983a |
13 | 2094994598797 |
14 | bb7a7d63459c |
15 | 5809cc92e69a |
hex | 2b8d9e12e66e |
47887242421870 has 16 divisors (see below), whose sum is σ = 86197187966400. Its totient is φ = 19154863278304.
The previous prime is 47887242421861. The next prime is 47887242421873. The reversal of 47887242421870 is 7812424278874.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47887242421873) 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, 2227284 + ... + 10036696.
It is an arithmetic number, because the mean of its divisors is an integer number (5387324247900).
Almost surely, 247887242421870 is an apocalyptic number.
47887242421870 is a deficient number, since it is larger than the sum of its proper divisors (38309945544530).
47887242421870 is a wasteful number, since it uses less digits than its factorization.
47887242421870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8422619.
The product of its (nonzero) digits is 89915392, while the sum is 64.
The spelling of 47887242421870 in words is "forty-seven trillion, eight hundred eighty-seven billion, two hundred forty-two million, four hundred twenty-one thousand, eight hundred seventy".
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