Base | Representation |
---|---|
bin | 101100010001100110… |
… | …011000011110101101 |
3 | 11112201010201212222100 |
4 | 230101212120132231 |
5 | 1234330204232134 |
6 | 33501201205313 |
7 | 3302040415212 |
oct | 542146303655 |
9 | 145633655870 |
10 | 47539914669 |
11 | 19186051585 |
12 | 9269030839 |
13 | 46381a7330 |
14 | 242db0db09 |
15 | 1383900999 |
hex | b119987ad |
47539914669 has 12 divisors (see below), whose sum is σ = 73950978556. Its totient is φ = 29255332032.
The previous prime is 47539914659. The next prime is 47539914689. The reversal of 47539914669 is 96641993574.
47539914669 is a `hidden beast` number, since 4 + 7 + 539 + 91 + 4 + 6 + 6 + 9 = 666.
47539914669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 14566076100 + 32973838569 = 120690^2 + 181587^2 .
It is not a de Polignac number, because 47539914669 - 25 = 47539914637 is a prime.
It is a super-2 number, since 2×475399146692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47539914619) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203161912 + ... + 203162145.
Almost surely, 247539914669 is an apocalyptic number.
It is an amenable number.
47539914669 is a deficient number, since it is larger than the sum of its proper divisors (26411063887).
47539914669 is a wasteful number, since it uses less digits than its factorization.
47539914669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406324076 (or 406324073 counting only the distinct ones).
The product of its digits is 44089920, while the sum is 63.
The spelling of 47539914669 in words is "forty-seven billion, five hundred thirty-nine million, nine hundred fourteen thousand, six hundred sixty-nine".
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