Base | Representation |
---|---|
bin | 11101010011111111… |
… | …001010101001011100 |
3 | 10000020110120122222001 |
4 | 131103333022221130 |
5 | 1003424300314214 |
6 | 22243041332044 |
7 | 2162644133431 |
oct | 352377125134 |
9 | 100213518861 |
10 | 31473838684 |
11 | 12391185932 |
12 | 6124637024 |
13 | 2c778276b2 |
14 | 174809bb88 |
15 | c43206c74 |
hex | 753fcaa5c |
31473838684 has 12 divisors (see below), whose sum is σ = 55080483304. Its totient is φ = 15736557744.
The previous prime is 31473838667. The next prime is 31473838699. The reversal of 31473838684 is 48683837413.
It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237979 + ... + 345805.
Almost surely, 231473838684 is an apocalyptic number.
It is an amenable number.
31473838684 is a deficient number, since it is larger than the sum of its proper divisors (23606644620).
31473838684 is a wasteful number, since it uses less digits than its factorization.
31473838684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180804 (or 180802 counting only the distinct ones).
The product of its digits is 9289728, while the sum is 55.
The spelling of 31473838684 in words is "thirty-one billion, four hundred seventy-three million, eight hundred thirty-eight thousand, six hundred eighty-four".
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