Base | Representation |
---|---|
bin | 10110010111111001101… |
… | …00000110001001001000 |
3 | 2201111021012122110221011 |
4 | 23023330310012021020 |
5 | 100043342344200033 |
6 | 1345053520053304 |
7 | 106353143403463 |
oct | 13137464061110 |
9 | 2644235573834 |
10 | 768745693768 |
11 | 2770289a2948 |
12 | 104ba3464234 |
13 | 57652a87950 |
14 | 292c94d22da |
15 | 14ee4501ccd |
hex | b2fcd06248 |
768745693768 has 64 divisors (see below), whose sum is σ = 1705016073600. Its totient is φ = 321517278720.
The previous prime is 768745693763. The next prime is 768745693769. The reversal of 768745693768 is 867396547867.
It is a Harshad number since it is a multiple of its sum of digits (76).
It is a junction number, because it is equal to n+sod(n) for n = 768745693694 and 768745693703.
It is not an unprimeable number, because it can be changed into a prime (768745693763) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8411973 + ... + 8502868.
It is an arithmetic number, because the mean of its divisors is an integer number (26640876150).
Almost surely, 2768745693768 is an apocalyptic number.
It is an amenable number.
768745693768 is an abundant number, since it is smaller than the sum of its proper divisors (936270379832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
768745693768 is a wasteful number, since it uses less digits than its factorization.
768745693768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16914902 (or 16914898 counting only the distinct ones).
The product of its digits is 2560481280, while the sum is 76.
The spelling of 768745693768 in words is "seven hundred sixty-eight billion, seven hundred forty-five million, six hundred ninety-three thousand, seven hundred sixty-eight".
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