Base | Representation |
---|---|
bin | 111111110001101000… |
… | …001111010000011110 |
3 | 20112202101010110110120 |
4 | 333301220033100132 |
5 | 2110220430214000 |
6 | 51243013015410 |
7 | 4642646341053 |
oct | 776150172036 |
9 | 215671113416 |
10 | 68478366750 |
11 | 27050286532 |
12 | 11331324566 |
13 | 65c411c751 |
14 | 34588c102a |
15 | 1babc416a0 |
hex | ff1a0f41e |
68478366750 has 64 divisors (see below), whose sum is σ = 170970246720. Its totient is φ = 18255744000.
The previous prime is 68478366743. The next prime is 68478366779. The reversal of 68478366750 is 5766387486.
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, 3169986 + ... + 3191514.
It is an arithmetic number, because the mean of its divisors is an integer number (2671410105).
Almost surely, 268478366750 is an apocalyptic number.
68478366750 is an abundant number, since it is smaller than the sum of its proper divisors (102491879970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68478366750 is a wasteful number, since it uses less digits than its factorization.
68478366750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25790 (or 25780 counting only the distinct ones).
The product of its (nonzero) digits is 40642560, while the sum is 60.
It can be divided in two parts, 6847836 and 6750, that added together give a palindrome (6854586).
The spelling of 68478366750 in words is "sixty-eight billion, four hundred seventy-eight million, three hundred sixty-six thousand, seven hundred fifty".
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