Base | Representation |
---|---|
bin | 10110010111110000000… |
… | …00111000110001111110 |
3 | 2201111001121002222111202 |
4 | 23023320000320301332 |
5 | 100043211240121310 |
6 | 1345041522015502 |
7 | 106351145030540 |
oct | 13137000706176 |
9 | 2644047088452 |
10 | 768665160830 |
11 | 276a974982a6 |
12 | 104b804a7592 |
13 | 5763c19bb18 |
14 | 292bc92b690 |
15 | 14edc3e53a5 |
hex | b2f8038c7e |
768665160830 has 64 divisors (see below), whose sum is σ = 1615176916992. Its totient is φ = 257890469760.
The previous prime is 768665160821. The next prime is 768665161001. The reversal of 768665160830 is 38061566867.
It is a happy number.
768665160830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×7686651608302 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23003435 + ... + 23036825.
It is an arithmetic number, because the mean of its divisors is an integer number (25237139328).
Almost surely, 2768665160830 is an apocalyptic number.
768665160830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
768665160830 is an abundant number, since it is smaller than the sum of its proper divisors (846511756162).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
768665160830 is a wasteful number, since it uses less digits than its factorization.
768665160830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40449.
The product of its (nonzero) digits is 8709120, while the sum is 56.
The spelling of 768665160830 in words is "seven hundred sixty-eight billion, six hundred sixty-five million, one hundred sixty thousand, eight hundred thirty".
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