Base | Representation |
---|---|
bin | 111111011001010010… |
… | …011101101101111100 |
3 | 20111200220201120022120 |
4 | 333121102131231330 |
5 | 2103401410140003 |
6 | 51134304242540 |
7 | 4626560333622 |
oct | 773122355574 |
9 | 214626646276 |
10 | 68070005628 |
11 | 2696081a7a9 |
12 | 11238610450 |
13 | 655a641551 |
14 | 341a581512 |
15 | 1b85e7a853 |
hex | fd949db7c |
68070005628 has 24 divisors (see below), whose sum is σ = 158857461840. Its totient is φ = 22686080640.
The previous prime is 68070005579. The next prime is 68070005659. The reversal of 68070005628 is 82650007086.
It is a self number, because there is not a number n which added to its sum of digits gives 68070005628.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417393 + ... + 557096.
It is an arithmetic number, because the mean of its divisors is an integer number (6619060910).
Almost surely, 268070005628 is an apocalyptic number.
It is an amenable number.
68070005628 is an abundant number, since it is smaller than the sum of its proper divisors (90787456212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68070005628 is a wasteful number, since it uses less digits than its factorization.
68070005628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 980317 (or 980315 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 42.
The spelling of 68070005628 in words is "sixty-eight billion, seventy million, five thousand, six hundred twenty-eight".
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