Base | Representation |
---|---|
bin | 1000000000000… |
… | …10111101001000 |
3 | 11200022002122210 |
4 | 10000002331020 |
5 | 114140332333 |
6 | 10354345120 |
7 | 1443342645 |
oct | 400027510 |
9 | 150262583 |
10 | 67120968 |
11 | 34984a82 |
12 | 1a58b1a0 |
13 | 10ba1265 |
14 | 8cb2dcc |
15 | 5d5ca63 |
hex | 4002f48 |
67120968 has 16 divisors (see below), whose sum is σ = 167802480. Its totient is φ = 22373648.
The previous prime is 67120967. The next prime is 67120973. The reversal of 67120968 is 86902176.
It is not an unprimeable number, because it can be changed into a prime (67120967) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398330 + ... + 1398377.
It is an arithmetic number, because the mean of its divisors is an integer number (10487655).
Almost surely, 267120968 is an apocalyptic number.
It is an amenable number.
67120968 is an abundant number, since it is smaller than the sum of its proper divisors (100681512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67120968 is a wasteful number, since it uses less digits than its factorization.
67120968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2796716 (or 2796712 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 67120968 is about 8192.7387362225. The cubic root of 67120968 is about 406.3990995754.
The spelling of 67120968 in words is "sixty-seven million, one hundred twenty thousand, nine hundred sixty-eight".
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