Base | Representation |
---|---|
bin | 111110100000111111… |
… | …011000101011101000 |
3 | 20102021002102200222010 |
4 | 332200333120223220 |
5 | 2044433110331133 |
6 | 50500443555520 |
7 | 4564301111235 |
oct | 764077305350 |
9 | 212232380863 |
10 | 67125480168 |
11 | 2651664684a |
12 | 1101422bba0 |
13 | 6439a58546 |
14 | 336ad5478c |
15 | 1b2d0a6263 |
hex | fa0fd8ae8 |
67125480168 has 16 divisors (see below), whose sum is σ = 167813700480. Its totient is φ = 22375160048.
The previous prime is 67125480143. The next prime is 67125480181. The reversal of 67125480168 is 86108452176.
It is a super-2 number, since 2×671254801682 (a number of 22 digits) contains 22 as substring.
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, 1398447480 + ... + 1398447527.
It is an arithmetic number, because the mean of its divisors is an integer number (10488356280).
Almost surely, 267125480168 is an apocalyptic number.
It is an amenable number.
67125480168 is an abundant number, since it is smaller than the sum of its proper divisors (100688220312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67125480168 is a wasteful number, since it uses less digits than its factorization.
67125480168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2796895016 (or 2796895012 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 48.
The spelling of 67125480168 in words is "sixty-seven billion, one hundred twenty-five million, four hundred eighty thousand, one hundred sixty-eight".
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