Base | Representation |
---|---|
bin | 1101011011111110… |
… | …01011110100011100 |
3 | 200121202101121201021 |
4 | 12231333023310130 |
5 | 104233240123043 |
6 | 3151500453524 |
7 | 343524616222 |
oct | 65577136434 |
9 | 20552347637 |
10 | 7213989148 |
11 | 3072121903 |
12 | 1493b4a2a4 |
13 | 8ac74a742 |
14 | 4c6140b12 |
15 | 2c34d83ed |
hex | 1adfcbd1c |
7213989148 has 6 divisors (see below), whose sum is σ = 12624481016. Its totient is φ = 3606994572.
The previous prime is 7213989143. The next prime is 7213989149. The reversal of 7213989148 is 8419893127.
It is a junction number, because it is equal to n+sod(n) for n = 7213989095 and 7213989104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7213989143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901748640 + ... + 901748647.
Almost surely, 27213989148 is an apocalyptic number.
It is an amenable number.
7213989148 is a deficient number, since it is larger than the sum of its proper divisors (5410491868).
7213989148 is a wasteful number, since it uses less digits than its factorization.
7213989148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1803497291 (or 1803497289 counting only the distinct ones).
The product of its digits is 870912, while the sum is 52.
The square root of 7213989148 is about 84935.2055863763. The cubic root of 7213989148 is about 1932.2285503203.
The spelling of 7213989148 in words is "seven billion, two hundred thirteen million, nine hundred eighty-nine thousand, one hundred forty-eight".
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