Base | Representation |
---|---|
bin | 10101011101111011000010… |
… | …11100011001111010110111 |
3 | 20012011000010020021102020201 |
4 | 22232331201130121322313 |
5 | 22141422201304331422 |
6 | 244222514215141331 |
7 | 12641431561345201 |
oct | 1256754134317267 |
9 | 205130106242221 |
10 | 47207620386487 |
11 | 1405070400a790 |
12 | 53651a0674847 |
13 | 2045875c01092 |
14 | b92c0a8c1771 |
15 | 56cea28a2727 |
hex | 2aef61719eb7 |
47207620386487 has 16 divisors (see below), whose sum is σ = 52674819384960. Its totient is φ = 41944763384800.
The previous prime is 47207620386467. The next prime is 47207620386517. The reversal of 47207620386487 is 78468302670274.
It is a cyclic number.
It is not a de Polignac number, because 47207620386487 - 27 = 47207620386359 is a prime.
It is a super-2 number, since 2×472076203864872 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47207620386467) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210116089 + ... + 210340642.
It is an arithmetic number, because the mean of its divisors is an integer number (3292176211560).
Almost surely, 247207620386487 is an apocalyptic number.
47207620386487 is a deficient number, since it is larger than the sum of its proper divisors (5467198998473).
47207620386487 is a wasteful number, since it uses less digits than its factorization.
47207620386487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420456974.
The product of its (nonzero) digits is 151732224, while the sum is 64.
The spelling of 47207620386487 in words is "forty-seven trillion, two hundred seven billion, six hundred twenty million, three hundred eighty-six thousand, four hundred eighty-seven".
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