Base | Representation |
---|---|
bin | 111111111001000000… |
… | …001010001100110000 |
3 | 20120001222220122101201 |
4 | 333321000022030300 |
5 | 2110444112444000 |
6 | 51303152340544 |
7 | 4646011020211 |
oct | 777100121460 |
9 | 216058818351 |
10 | 68602078000 |
11 | 271040a2635 |
12 | 11366844754 |
13 | 6613945981 |
14 | 346b0c5408 |
15 | 1bb7a2b96a |
hex | ff900a330 |
68602078000 has 40 divisors (see below), whose sum is σ = 165879829440. Its totient is φ = 27440830400.
The previous prime is 68602077991. The next prime is 68602078003. The reversal of 68602078000 is 87020686.
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (68602078003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17148520 + ... + 17152519.
It is an arithmetic number, because the mean of its divisors is an integer number (4146995736).
Almost surely, 268602078000 is an apocalyptic number.
It is an amenable number.
68602078000 is an abundant number, since it is smaller than the sum of its proper divisors (97277751440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68602078000 is a wasteful number, since it uses less digits than its factorization.
68602078000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34301062 (or 34301046 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 37.
Adding to 68602078000 its reverse (87020686), we get a palindrome (68689098686).
The spelling of 68602078000 in words is "sixty-eight billion, six hundred two million, seventy-eight thousand".
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