Base | Representation |
---|---|
bin | 11101100110110011… |
… | …000001110110111101 |
3 | 10001001110102001201100 |
4 | 131212303001312331 |
5 | 1010101043032221 |
6 | 22334233403313 |
7 | 2203525434423 |
oct | 354663016675 |
9 | 101043361640 |
10 | 31789424061 |
11 | 1253333489a |
12 | 61b2269539 |
13 | 2cc80213c5 |
14 | 1777d6b113 |
15 | c60c93926 |
hex | 766cc1dbd |
31789424061 has 12 divisors (see below), whose sum is σ = 45922414720. Its totient is φ = 21190938120.
The previous prime is 31789424041. The next prime is 31789424113. The reversal of 31789424061 is 16042498713.
31789424061 is a `hidden beast` number, since 317 + 8 + 94 + 240 + 6 + 1 = 666.
It is not a de Polignac number, because 31789424061 - 26 = 31789423997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31789423998 and 31789424016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31789424041) 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, 64141 + ... + 260178.
Almost surely, 231789424061 is an apocalyptic number.
It is an amenable number.
31789424061 is a deficient number, since it is larger than the sum of its proper divisors (14132990659).
31789424061 is a wasteful number, since it uses less digits than its factorization.
31789424061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335216 (or 335213 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 31789424061 in words is "thirty-one billion, seven hundred eighty-nine million, four hundred twenty-four thousand, sixty-one".
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