Base | Representation |
---|---|
bin | 100000000100111000… |
… | …1110001110110010000 |
3 | 20120210121111102111021 |
4 | 1000021301301312100 |
5 | 2112033140132122 |
6 | 51351124525224 |
7 | 4655666160403 |
oct | 1001161616620 |
9 | 216717442437 |
10 | 68883520912 |
11 | 27238a51888 |
12 | 11424b50814 |
13 | 665a04703b |
14 | 3496627d3a |
15 | 1bd25c21c7 |
hex | 1009c71d90 |
68883520912 has 20 divisors (see below), whose sum is σ = 133500424176. Its totient is φ = 34431798560.
The previous prime is 68883520879. The next prime is 68883520933. The reversal of 68883520912 is 21902538886.
It is a self number, because there is not a number n which added to its sum of digits gives 68883520912.
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, 565414 + ... + 676357.
Almost surely, 268883520912 is an apocalyptic number.
It is an amenable number.
68883520912 is a deficient number, since it is larger than the sum of its proper divisors (64616903264).
68883520912 is a wasteful number, since it uses less digits than its factorization.
68883520912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1245246 (or 1245240 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 52.
The spelling of 68883520912 in words is "sixty-eight billion, eight hundred eighty-three million, five hundred twenty thousand, nine hundred twelve".
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