Base | Representation |
---|---|
bin | 100100110000110101… |
… | …100010101000000101 |
3 | 10202220000101101022000 |
4 | 210300311202220011 |
5 | 1121320324004433 |
6 | 30044545455513 |
7 | 2565126603366 |
oct | 446065425005 |
9 | 122800341260 |
10 | 39474047493 |
11 | 15817086151 |
12 | 7797941599 |
13 | 395111186a |
14 | 1ca67bbb6d |
15 | 1060744113 |
hex | 930d62a05 |
39474047493 has 32 divisors (see below), whose sum is σ = 61684761600. Its totient is φ = 24879626928.
The previous prime is 39474047477. The next prime is 39474047507.
39474047493 is a `hidden beast` number, since 3 + 9 + 47 + 40 + 474 + 93 = 666.
39474047493 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 39474047493 - 24 = 39474047477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39474047423) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170830 + ... + 328832.
It is an arithmetic number, because the mean of its divisors is an integer number (1927648800).
Almost surely, 239474047493 is an apocalyptic number.
It is an amenable number.
39474047493 is a deficient number, since it is larger than the sum of its proper divisors (22210714107).
39474047493 is a wasteful number, since it uses less digits than its factorization.
39474047493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158518 (or 158512 counting only the distinct ones).
The product of its (nonzero) digits is 9144576, while the sum is 54.
The spelling of 39474047493 in words is "thirty-nine billion, four hundred seventy-four million, forty-seven thousand, four hundred ninety-three".
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